Curriculum vitae and a list of a person's publications

Gregory Astrakharchik

photo1

tel: +34 934017421
fax: +34 934017100
email: grigori.astrakharchikupc.edu
office: B5-206

Short CV


2015- ...: Associate professor
2009-2014: Ramón y Cajal Fellowship
2008-2009: Juan de la Cierva Fellowship
2006-2007: MEC Fellowship “Programa de estancias de jóvenes doctores extranjeros en España”
2004-2006: postdoc in BEC Center, Trento, Italy
2002-2005: PhD at Institute of Spectroscopy (Russian Academy of Sciences), supervisor (Yu. E. Lozovik)
2001-2004: PhD at Università degli studi di Trento, Italia (supervisors: Stefano Giorgini and Lev Pitaevskii)
2000-2001: Student at Università degli studi di Trento, Italy
1996-2002: Student at Moscow Institute of Physics and Technology, Russia

Teaching:


Grau en Enginyeria Informàtica: Física
Proyecto docente - Projecte docent
Tema 1 - Corriente continua
Tema 2 - Corriente alterna
Tema 3 - Electronica y puertas logicas
Tema 4 - Ondas

Talks at conferences


1998 G. E. Astrakharchik, A. I. Belousov, Yu. E. Lozovik, “Study of two-dimensional “dusty-plasma”clusters”, Optics and Laser Physics II session, LXI MIPT conference, Moscow, Russia
1999 G. E. Astrakharchik, S. E. Verzakov, Yu. E. Lozovik, “Studies of two-dimensional clusters of Abrikosov vortices”, Quantum Optics session, LXII MIPT conference, Moscow, Russia
2003 G. E. Astrakharchik, S. Giorgini, “Quantum Monte Carlo Study of low dimensional Bose systems”, Meeting on Cold Gases, Ringberg Schloss, Bavaria, Germany
2005 G. E. Astrakharchik, S. Giorgini, J. Boronat, J. Casulleras, “Momentum distribution and condensate fraction of a Fermi gas in the BCS-BEC crossover”, NQS2005 & ESF Workshop Camerino, Camerino, Italy
2007 G. E. Astrakharchik, J. Boronat, J. Casulleras, I. L. Kurbakov, Yu. E. Lozovik “Ground state properties of a homogeneous 2D system of Bosons with dipolar interactions”, Fourteenth International Conference on Recent Progress in Many-Body Theories, Barcelona
2009 G. E. Astrakharchik, J. Boronat, J. Casulleras, I.L. Kurbakov, and Yu.E. Lozovik, “Two-dimensional weakly interacting Bose gas: equation of state”, High-order actions and their applications in many body, few body, classical problems, Barcelona
2010 G. E. Astrakharchik, “Unusual one-dimensional quantum systems”, V Jornada de Recerca del Deparament de Física i Enginyeria Nuclear, Barcelona, Spain
2010 G. E. Astrakharchik, J. Boronat, I. Kurbakov, Yu. Lozovik, F. Mazzanti, “Low-dimensional weakly interacting Bose gases: non-universal equations of state”, Fifth International Workshop, "Theory of Quantum Gases and Quantum Coherence", Nice, France
2010 G. E. Astrakharchik, J. Boronat, O.N.Osychenko, Yu.E. Lozovik, Y. Lutsyshyn, “Monte Carlo study of quantum phase diagram of Rydberg atoms with repulsive 1/r6 interaction”, QFS 2010 Satellite Workshop - Cold Gases meet Many-Body Theory, Grenoble, France
2010 G. E. Astrakharchik and M. D. Girardeau, “Quantum Monte Carlo study of one-dimensional Coulomb gases at zero temperature”, XXVI Trobades Científiques de la Mediterrània, Maó, Menorca
2012 G. E. Astrakharchik. Lecture 1 “Lieb-Liniger, Tonks-Girardeau and super Tonks-Girardeau gases” Lecture 2 “Dipolar and Coulomb one-dimensional gases”, Summer School 2012 Low-Dimensional Quantum Many-Body Systems SFB TRR 49, Trier, Germany
2013 G. E. Astrakharchik, “Cold atoms @UPC”, Half-day meeting on ultracold atoms, Barcelona
2013 G. E. Astrakharchik and L. P. Pitaevskii, “Lieb's soliton-like excitations in harmonic traps”, The third international conference: Nonlinear waves theory and applications, Beijing, China
2013 G. E. Astrakharchik and I. Brouzos, “Trapped one-dimensional ideal Fermi gas with a single impurity”, International Workshop on Quantum Many-Body Systems in Low Dimensions, Wuhan, China
2013 G. E. Astrakharchik, “Diffusion Monte Carlo: symmetric trial wave function for a solid and pure estimators for one-body density matrix”, INT 13-2a Advances in Quantum Monte Carlo Techniques for Non-Relativistic Many-Body Systems, Institute for nuclear theory, University of Washington, Seattle
2014 G. E. Astrakharchik, A. E. Golomedov, Yu. E. Lozovik, and J. Boronat, “Applicability of excitonic description in a two component Coulomb gas.”, Multi-Condensate Superconductivity and Superfluidity in Solids and Ultracold Gases, Camerino, Italy
2014 G. E. Astrakharchik, Andrii Gudyma, Mikhail Zvonarev “Breathing modes of one-dimensional trapped BEC”, Quantum Technologies Conference V Manipulating photons, atoms, and molecules, Kraków, Poland
2015 G. E. Astrakharchik, “One-dimensional Bose gas in optical lattice: full continuous space study”, XVIII International Conference on Recent Progress in Many-Body Theories, Niagara Falls, NY USA
2017 G. E. Astrakharchik, “Ultradilute Low-Dimensional Liquids”, From few to many: Exploring quantum systems one atom at a time, Obergurgl, Austria
2018 G. E. Astrakharchik, “Two-ball billiard predicts digits of the number PI in non-integer numerical bases”, Dynamics, Bifurcations and Chaos, Nizhny Novgorod, Russia

Organization of conferences


2007 “Recent Progress in Many-Body Theories (RPMBT14)", Barcelona, Spain
2010 "Bose Correlations in Quantum Gases, XXVI Trobades Científiques de la Mediterrània” Maó, Menorca, Spain
2014 “Half day meeting on Cold Atoms in the BCN region 2014” Barcelona, Spain
2018 “Small and Medium Sized Cold Atom Systems” Benasque, Spain
2019 Workshop on “Dynamics and interactions in quantum gases” Maó, Menorca
2022 “1st CAPS School on Ultracold Atoms Barcelona
2023“Barcelona cold atoms workshop 2023” Barcelona
2023“Quantum coherent dynamics: turbulence, non-equilibrium and interactions (QACTUS 2023)” Barcelona

Teaching


2008 – : Laboratory teacher – General Physics, Universitat Politècnica de Catalunya / Spain
2011 – : Lecturer – General Physics, Universitat Politècnica de Catalunya / Spain
2011 – : Seminars teacher – General Physics, Universitat Politècnica de Catalunya / Spain
2015 – : "Introducción a la Computación Científica", Master in Universitat Politècnica de Catalunya & Universitat de Barcelona/ Spain

Publications

[1] Daniel Pérez-Cruz, Grigori E. Astrakharchik, Pietro Massignan,
Superfluid fraction of interacting bosonic gases,
, (2024) [arXiv]
.bib CVN

[2] G. Pascual, T. Wasak, A. Negretti, G. E. Astrakharchik, J. Boronat,
Temperature-induced miscibility of impurities in trapped Bose gases,
, (2024) [arXiv]
.bib CVN

[3] Jofre Vallès-Muns, Ivan Morera, Grigori E. Astrakharchik, Bruno Juliá-Díaz ,
Quantum droplets with particle imbalance in one-dimensional optical lattices,
SciPost Phys. 16, 074 (2024) [journal] [arXiv]
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[4] Steven G. Jackson, Gregory E. Astrakharchik, Maxim Olshanii,
symmetric Bethe Ansatz,
, (2024) [arXiv]
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[5] A. Tononi, G. Astrakharchik, D. S. Petrov,
Gas-to-soliton transition of attractive bosons on a spherical surface,
, (2023) [arXiv]
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[6] Antonio Muñoz Mateo, Grigory E. Astrakharchik, Bruno Juliá-Díaz,
Superfluid rings as quantum pendulums,
, (2023) [arXiv]
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[7] Francesc Sabater, Abel Rojo-Francàs, Grigori E. Astrakharchik, Bruno Juliá-Díaz,
Universal molecular Bose-Einstein condensation in strongly interacting one-dimensional fermionic systems,
, (2023) [arXiv]
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[8] G. E. Astrakharchik, L. A. Peña Ardila, K. Jachymski, A. Negretti,
Many-body bound states and induced interactions of charged impurities in a bosonic bath,
Nature Communications 14, 1647 (2023) [journal] [arXiv]
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[9] Giulia De Rosi, Grigori E. Astrakharchik, Maxim Olshanii, Jordi Boronat,
Thermal fading of the 1/k4-tail of the momentum distribution induced by the hole anomaly,
, (2023) [arXiv]
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[10] Giulia De Rosi, Riccardo Rota, Grigori E. Astrakharchik, Jordi Boronat,
Correlation properties of a one-dimensional repulsive Bose gas at finite temperature,
New J. Phys. 25, 043002 (2023) [journal] [arXiv]
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[11] I. Morera, R. Ołdziejewski, G.E. Astrakharchik, B. Juliá-Díaz ,
Superexchange liquefaction of strongly correlated lattice dipolar bosons,
Phys. Rev. Lett. 130, 023602 (2023) [journal] [arXiv]
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[12] J. Sánchez-Baena, L. A. Peña-Ardila, G. E. Astrakharchik, F. Mazzanti,
Universal properties of dipolar Bose polarons in two dimensions,
, (2023) [arXiv]
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[13] Nikolay Yegovtsev, Grigori E. Astrakharchik, Pietro Massignan, Victor Gurarie,
Study of unitary Bose polarons with Diffusion Monte-Carlo and Gross-Pitaevskii approaches,
, (2023) [arXiv]
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[14] G. Guijarro, G. E. Astrakharchik, J. Boronat,
Ultradilute quantum liquid of dipolar atoms in a bilayer,
Phys. Rev. Lett. 128, 063401 (2022) [journal] [arXiv]
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[15] Giulia De Rosi, Riccardo Rota, Grigori E. Astrakharchik, Jordi Boronat,
Hole-induced anomaly in the thermodynamic behavior of a one-dimensional Bose gas,
SciPost Phys. 13, 035 (2022) [journal] [arXiv]
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[16] J. Martí, F. Mazzanti, G. E. Astrakharchik, L. Batet, L. Portos-Amill, B. Pedreño,
Nucleation of helium in liquid lithium,
Materials 15, 2866 (2022) [journal] [arXiv]
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[17] J. Sánchez-Baena, L. Peña Ardila, G. Astrakharchik, F Mazzanti ,
Universal Properties of Anisotropic Dipolar Bosons in Two Dimensions,
SciPost Phys. 13, 031 (2022) [journal] [arXiv]
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[18] Jordi Torrents, Vanja Dunjko, Marina Gonchenko, Gregory E. Astrakharchik, Maxim Olshanii,
The origin of the period-2T/7 quasi-breathing in disk-shaped Gross-Pitaevskii breathers,
SciPost Phys. 12, 092 (2022) [journal] [arXiv]
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[19] Juan Sánchez-Baena, Luis A. Peña Ardila, Grigory Astrakharchik, Ferran Mazzanti,
Universal Properties of Anisotropic Dipolar Bosons in Two Dimensions,
SciPost Phys. 13, 031 (2022) [journal] [arXiv]
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[20] G. E. Astrakharchik, I. L. Kurbakov, D. V. Sychev, A. K. Fedorov, and Yu. E. Lozovik,
Quantum phase transition of a two-dimensional quadrupolar system,
Phys. Rev. B 103, L140101 (2021) [journal] [arXiv]
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[21] G. Guijarro, G. E. Astrakharchik, J. Boronat,
Quantum halo states in two-dimensional dipolar clusters,
Scientific Reports 11, 19437 (2021) [journal] [arXiv]
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[22] Giulia De Rosi, Grigori E. Astrakharchik, Pietro Massignan,
Thermal instability, evaporation, and thermodynamics of one-dimensional liquids in weakly interacting Bose-Bose mixtures,
Phys. Rev. A 103, 043316 (2021) [journal] [arXiv]
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[23] Grigory E. Astrakharchik, Luis A. Peña Ardila, Richard Schmidt, Krzysztof Jachymski and Antonio Negretti,
Ionic polaron in a Bose-Einstein condensate,
Commun. Phys. 4, 94 (2021) [journal] [arXiv]
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[24] Ivan Morera, Grigori E. Astrakharchik, Artur Polls, Bruno Juliá-Díaz,
Universal dimerized quantum droplets in a one-dimensional lattice,
Phys. Rev. Lett. 126, 023001 (2021) [journal] [arXiv]
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[25] Korbinian Kottmann, Andreas Haller, Antonio Acín, Grigory E. Astrakharchik, and Maciej Lewenstein,
Supersolid-superfluid phase separation in the extended Bose-Hubbard model,
Phys. Rev. B 104, 174514 (2021) [journal] [arXiv]
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[26] M. Olshanii, D. Deshommes, J. Torrents, M. Gonchenko, V. Dunjko, G. E. Astrakharchik,
Triangular Gross-Pitaevskii breathers and Damski-Chandrasekhar shock waves,
SciPost Phys. 10, 114 (2021) [journal] [arXiv]
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[27] Martin Will, Gregory E. Astrakharchik, Michael Fleischhauer ,
Polaron interactions and bipolarons in one-dimensional Bose gases in the strong coupling regime,
Phys. Rev. Lett. 127, 103401 (2021) [journal] [arXiv]
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[28] Yu. E. Lozovik, I. L. Kurbakov, G. E. Astrakharchik, and J. Boronat,
Estimation of the condensate fraction from the static structure factor,
Phys. Rev. B 103, 094511 (2021) [journal] [arXiv]
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[29] G. Guijarro, G. E. Astrakharchik, J. Boronat, B. Bazak, D. S. Petrov,
Few-body bound states of two-dimensional bosons,
Phys. Rev. A 101, 041602(R) (2020) [journal] [arXiv]
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[30] Ivan Morera, Grigori E. Astrakharchik, Artur Polls, Bruno Juliá-Díaz,
Quantum droplets of bosonic mixtures in a one-dimensional optical lattice,
Phys. Rev. Research 2, 022008(R) (2020) [journal] [arXiv]
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[31] L.A. Peña Ardila, G.E. Astrakharchik, S. Giorgini ,
Strong coupling Bose polarons in a two-dimensional gas,
Physical Review Research 2, 023405 (2020) [journal] [arXiv]
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[32] M. Beau, S. M. Pittman, G. E. Astrakharchik, A. del Campo,
Exactly-solvable system of one-dimensional trapped bosons with short and long-range interactions,
Phys. Rev. Lett. 125, 220602 (2020) [journal] [arXiv]
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[33] M. Ota, G. E. Astrakharchik,
Beyond Lee-Huang-Yang description of self-bound Bose mixtures,
SciPost Phys. 9, 020 (2020) [journal] [arXiv]
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[34] Marek Tylutki, Grigori E. Astrakharchik, Boris A. Malomed, Dmitry S. Petrov,
Collective Excitations of a One-Dimensional Quantum Droplet,
Phys. Rev. A 101, 051601(R) (2020) [arXiv]
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[35] X. M. Aretxabaleta, M. Gonchenko, N. L. Harshman, S. G. Jackson, M. Olshanii, G. E. Astrakharchik,
The dynamics of digits: Calculating pi with Galperin's billiards,
Mathematics 8, 509 (2020) [journal] [arXiv]
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[36] Benjamin Reichert, Grigori E. Astrakharchik, Aleksandra Petkovic, Zoran Ristivojevic,
Exact results for the boundary energy of one-dimensional bosons,
Phys. Rev. Lett. 123, 250602 (2019) [journal] [arXiv]
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[37] G. De Rosi, P. Massignan, M. Lewenstein and G. E. Astrakharchik,
Beyond-Luttinger-liquid thermodynamics of a one-dimensional Bose gas with repulsive contact interactions,
Phys. Rev. Research 1, 033083 (2019) [journal] [arXiv]
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[38] L. Parisi, G. E. Astrakharchik, S. Giorgini,
The liquid state of one-dimensional Bose mixtures: a quantum Monte-Carlo study,
Phys. Rev. Lett. 122, 105302 (2019) [journal] [arXiv]
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[39] Yaroslav V. Kartashov, Gregory E. Astrakharchik, Boris A. Malomed and Lluis Torner,
Frontiers in multidimensional self- trapping of nonlinear fields and matter,
Nature Reviews Physics 1, 185 (2019) [journal] [arXiv]
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[40] Yu. E. Lozovik, I. L. Kurbakov, G. E. Astrakharchik,
Spontaneous formation of Kagomé lattice in two-dimensional Rydberg atoms,
, (2019) [arXiv]
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[41] V. Cikojevic, L. Vranjes-Markic, G. E. Astrakharchik, J. Boronat,
Universality in ultradilute liquid Bose-Bose mixtures,
Phys. Rev. A 99, 023618 (2018) [journal] [arXiv]
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[42] G. E. Astrakharchik and B. A. Malomed,
Dynamics of one-dimensional quantum droplets,
Phys. Rev. A 98, 013631 (2018) [journal]
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[43] G. E. Astrakharchik, P. S. Kryuchkov, I. L. Kurbakov, Yu. E. Lozovik,
The Inverse-Square Interaction Phase Diagram: Unitarity in the Bosonic Ground State,
Crystals 8, 246 (2018) [journal]
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[44] G. Guijarro, A. Pricoupenko, G. E. Astrakharchik, J. Boronat, D. S. Petrov,
One-dimensional three-boson problem with two- and three-body interactions,
Phys. Rev. A 97, 061605(R) (2018) [journal] [arXiv]
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[45] L. Parisi, G. E. Astrakharchik, and S. Giorgini,
Spin Dynamics and Andreev-Bashkin Effect in Mixtures of One-Dimensional Bose Gases,
Phys. Rev. Lett. 121, 025302 (2018) [journal]
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[46] A.E. Golomedov, Yu. E. Lozovik, G.E. Astrakharchik and J. Boronat,
Composite Boson Description of a Low-Density Gas of Excitons,
J. Low. Temp. Phys. 189, 300 (2017) [journal] [arXiv]
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[47] Fabian Grusdt, Gregory E Astrakharchik and Eugene Demler,
Bose polarons in ultracold atoms in one dimension: beyond the Fröhlich paradigm,
New Journal of Physics 19, 103035 (2017) [journal]
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[48] Giulia De Rosi, Grigori E. Astrakharchik, and Sandro Stringari,
Thermodynamic behavior of a one-dimensional Bose gas at low temperature,
Phys. Rev. A 96, 013613 (2017) [journal] [arXiv]
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[49] Grigory E. Astrakharchik, Konstantin V. Krutitsky, Maciej Lewenstein, Ferran Mazzanti, Jordi Boronat,
Optical lattices as a tool to study defect-induced superfluidity,
Phys. Rev. A 96, 033606 (2017) [journal]
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[50] Jacopo Nespolo, Grigori E. Astrakharchik, Alessio Recati,
Andreev-Bashkin effect in superfluid cold gases mixture,
New J. Phys. 19, 125005 (2017) [journal]
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[51] Marek Tylutki, G. E. Astrakharchik, Alessio Recati,
Coherent Oscillations in Small Fermi Polaron Systems,
Phys. Rev. A 96, 063603 (2017) [journal]
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[52] A. J. Vidal, G. E. Astrakharchik, L. Vranješ Markić, and J. Boronat,
One Dimensional 1H, 2H and 3H,
New J. Phys. 18, 055013 (2016) [journal]
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[53] D. S. Petrov, G. E. Astrakharchik,
Ultradilute low-dimensional liquids,
Phys. Rev. Lett. 117, 100401 (2016) [journal]
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[54] G. E. Astrakharchik, R. E. Zillich, F. Mazzanti, J. Boronat,
Gapped spectrum in pair-superfluid bosons,
Phys. Rev. A 94, 063630 (2016)
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[55] Grigory E. Astrakharchik, Konstantin V. Krutitsky, Maciej Lewenstein, Ferran Mazzanti,
One-dimensional Bose gas in optical lattices of arbitrary strength,
Phys. Rev. A 93, 021605(R) (2016) [journal]
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[56] N. Matveeva, G. E. Astrakharchik,
One-dimensional multicomponent Fermi gas in a trap: quantum Monte Carlo study,
New J. Phys. 18, 065009 (2016) [journal]
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[57] Yaroslav Lutsyshyn, Grigori E. Astrakharchik,
SAIL: A CUDA-based implementation of the simulated annealing for the inverse Laplace transform problem,
arXiv:1609.07936 , (2016)
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[58] A. del Campo, M. Olshanii, G. Astrakharchik ,
Marvin Denham Girardeau,
Physics Today 68, 64 (2015) [journal]
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[59] A. Iu. Gudyma, G. E. Astrakharchik, Mikhail B. Zvonarev,
Reentrant behavior of the breathing-mode-oscillation frequency in a one-dimensional Bose gas,
Phys. Rev. A 92, 021601(R) (2015) [journal]
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[60] G. E. Astrakharchik and B. A. Malomed,
Quantum versus mean-field collapse in a many-body system,
Phys. Rev. A 92, 043632 (2015)
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[61] G. Ferre, G. E. Astrakharchik, J. Boronat,
Phase diagram of a quantum Coulomb wire,
Phys. Rev. B 92, 245305 (2015)
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[62] A. Macia, G. E. Astrakharchik, F. Mazzanti, S. Giorgini, J. Boronat,
Single-particle versus pair superfluidity in a bilayer system of dipolar bosons,
Phys. Rev. A 90, 043623 (2014) [journal]
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[63] G. E. Astrakharchik and J. Boronat,
Luttinger liquid behavior of one-dimensional 3He,
Phys. Rev. B 90, 235439 (2014) [journal]
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[64] G. E. Astrakharchik, J. Boronat, E. Krotscheck, and T. Lichtenegger,
Dynamic structure function of a cold Fermi gas at unitarity,
J. Phys.: Conf. Ser. 529, 012009 (2014) [journal]
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[65] M. A. García-March, B. Juliá-Díaz, G. E. Astrakharchik, J. Boronat, A. Polls,
Distinguishability, degeneracy, and correlations in three harmonically trapped bosons in one dimension,
Phys. Rev. A 90, 063605 (2014) [journal]
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[66] M. A. Garcia-March, B. Julia-Diaz, G. E. Astrakharchik, Th. Busch, J. Boronat, A. Polls,
Quantum correlations and spatial localization in one-dimensional ultracold bosonic mixtures,
New J. Phys. 16, 103004 (2014) [journal]
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[67] Y. Lutsyshyn, G. E. Astrakharchik, C. Cazorla, J. Boronat,
Quantum phase transition with a simple variational ansatz,
Phys. Rev. B 90, 214512 (2014) [journal]
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[68] Z. D. Zhang, G. E. Astrakharchik, D. C. Aveline, S. Choi, H. Perrin, T. H. Bergeman, M. Olshanii ,
Breakdown of the scale invariance in a near-Tonks-Girardeau gas: some exact results and beyond,
Phys. Rev. A 89, 063616 (2014) [journal]
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[69] G. E. Astrakharchik and I. Brouzos,
Trapped one-dimensional ideal Fermi gas with a single impurity,
Phys. Rev. A 88, 021602(R) (2013) [journal]
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[70] G. E. Astrakharchik and L. P. Pitaevskii,
Lieb's soliton-like excitations in harmonic traps,
EPL 102, 30004 (2013) [journal]
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[71] G. E. Astrakharchik, K.V. Krutitsky, and P. Navez,
Phase diagram of quasi-two-dimensional bosons in laser speckle potential,
Phys. Rev. A 87, 061601(R) (2013) [journal]
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[72] M. A. Garcia-March, B. Julia-Diaz, G.E. Astrakharchik, Th. Busch, J. Boronat, and A. Polls,
Sharp crossover from composite fermionization to phase separation in mesoscopic mixtures of ultracold bosons,
Phys. Rev. A 88, 063604 (2013) [journal]
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[73] G. E. Astrakharchik, S. Giorgini, and J. Boronat,
Stability of resonantly interacting heavy-light Fermi mixtures,
Phys. Rev. B 86, 174518 (2012) [journal]
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[74] M. D. Girardeau and G. E. Astrakharchik,
Super-Tonks-Girardeau State in an Attractive One-Dimensional Dipolar Gas,
Phys. Rev. Lett. 109, 235305 (2012) [journal]
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[75] O. N. Osychenko, G. E. Astrakharchik, F. Mazzanti, and J. Boronat,
Zero-temperature phase diagram of Yukawa bosons,
Phys. Rev. A 85, 063604 (2012) [journal]
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[76] O. N. Osychenko, G. E. Astrakharchik, J. Boronat,
Ewald method for polytropic potentials in arbitrary dimensionality,
Molecular Physics 110, 227-247 (2012) [journal]
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[77] A. E. Golomedov, G. E. Astrakharchik, and Yu. E. Lozovik,
Mesoscopic supersolid of dipoles in a trap,
Phys. Rev. A 84, 033615 (2011) [journal]
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[78] G. E. Astrakharchik and K. V. Krutitsky,
Condensate fraction in non-uniform systems,
Phys. Rev. A 84, 031604(R) (2011) [journal]
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[79] G. E. Astrakharchik and M. D. Girardeau,
Exact ground state properties of the one-dimensional Coulomb gas,
Phys. Rev. B 83, 153303 (2011) [journal]
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[80] G. E. Astrakharchik and N. A. Astrakharchik,
Numerical study of Kapitza pendulum,
arXiv:1103.5981 , (2011) [journal]
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[81] G. E. Astrakharchik and N. A. Astrakharchik,
Numerical study of Kapitza pendulum,
arXiv:1103.5981 , (2011) [journal]
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[82] O. N. Osychenko, G. E. Astrakharchik, Y. Lutsyshyn, Yu. E. Lozovik, and J. Boronat,
Phase diagram of Rydberg atoms with repulsive van der Waals interaction,
Phys. Rev. A 84, 063621 (2011) [journal]
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[83] C. Cazorla, G. E. Astrakharchik, J. Casulleras, J. Boronat,
Ground-state properties and superfluidity of two- and quasi-two-dimensional solid 4He,
J. Phys.: Condens. Matter 22, 165402 (2010) [journal]
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[84] G. E. Astrakharchik, J. Boronat, I. L. Kurbakov, Yu. E. Lozovik, and F. Mazzanti,
Low-dimensional weakly interacting Bose gases: Nonuniversal equations of state,
Phys. Rev. A 81, 013612 (2010) [journal]
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[85] I. L. Kurbakov, Yu. E. Lozovik, G. E. Astrakharchik, and J. Boronat,
Quasiequilibrium supersolid phase of a two-dimensional dipolar crystal,
Phys. Rev. B 82, 014508 (2010) [journal]
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[86] M. D. Girardeau and G. E. Astrakharchik,
Wave functions of the super-Tonks-Girardeau gas and the trapped one-dimensional hard-sphere Bose gas,
Phys. Rev. A 81, 061601(R) (2010) [journal]
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[87] M. D. Girardeau and G.E. Astrakharchik,
Ground state of a mixture of two bosonic Calogero-Sutherland gases with strong odd-wave interspecies attraction,
Phys. Rev. A 81, 043601 (2010) [journal]
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[88] Y. Lutsyshyn, C. Cazorla, G. E. Astrakharchik, and J. Boronat,
Properties of vacancy formation in hcp 4He crystals at zero temperature and fixed pressure,
Phys. Rev. B 82, 180506(R) (2010) [journal]
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[89] C. Cazorla, G. E. Astrakharchik, J. Casulleras, and J. Boronat,
Bose-Einstein Quantum Statistics and the Ground State of Solid 4He,
New J. Phys. 11, 013047 (2009) [journal]
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[90] G. E. Astrakharchik, G. De Chiara, Giovanna Morigi, and J. Boronat,
Thermal and quantum fluctuations in low dimensional dipolar chains,
J. Phys. B: At. Mol. Opt. Phys. 42, 154026 (2009) [journal]
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[91] G. E. Astrakharchik, Giovanna Morigi, Gabriele De Chiara, and J. Boronat,
Ground state of low dimensional dipolar gases: linear, zigzag and multiple chains,
Virtual Journal of Nanoscale Science & Technology 19, Issue 2 Jan (2009)
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[92] G. E. Astrakharchik, J. Boronat, J. Casulleras, I. L. Kurbakov, and Yu. E. Lozovik,
Equation of state of a weakly interacting two-dimensional Bose gas studied at zero temperature by means of quantum Monte Carlo methods,
Phys. Rev. A 79, 051602(R) (2009) [journal]
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[93] D. Petrov, G.E. Astrakharchik, D. Papoular, C. Salomon, and G.V. Shlyapnikov,
Crystalline phase of strongly interacting Fermi mixtures,
Recent Progress in Many Body Theories, Proceedings of the Fourteenth International Conference, edited J. Boronat, G. E. Astrakharchik and F. Mazzanti, (World Scientific, Singapore , 94 (2008) [journal]
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[94] F. Mazzanti, G. E. Astrakharchik, J. Boronat, and J. Casulleras,
Off-diagonal ground-state properties of a one-dimensional gas of Fermi hard rods,
Phys. Rev. A 77, 043632 (2008) [journal]
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[95] F. Mazzanti, G.E. Astrakharchik, J. Boronat, and J. Casulleras,
Ground-state properties of a one-dimensional system of Hard Rods,
Phys. Rev. Lett. 100, 020401 (2008) [journal]
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[96] F. Mazzanti, G.E. Astrakharchik, J. Boronat, and J. Casulleras,
Static properties of a system of Bose hard rods in one-dimension,
Proceedings of the Fourteenth International Conference, edited J. Boronat, G. E. Astrakharchik and F. Mazzanti (World Scientific, Singapore) , 116 (2008) [journal]
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[97] G. E. Astrakharchik and Yu. E. Lozovik,
Super-Tonks-Girardeau regime in trapped one-dimensional dipolar gases ,
Phys. Rev. A 77, 013404 (2008) [journal]
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[98] G. E. Astrakharchik, Giovanna Morigi, Gabriele De Chiara, and J. Boronat,
Ground state of low-dimensional dipolar gases: Linear and zigzag chains,
Phys. Rev. A 78, 063622 (2008) [journal]
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[99] G. E. Astrakharchik, J. Boronat, J. Casulleras, I. L. Kurbakov, and Yu. E. Lozovik,
Ground state properties of a homogeneous 2D system of Bosons with dipolar interactions,
Recent Progress in Many Body Theories, Proceedings of the Fourteenth International Conference, edited J. Boronat, G. E. Astrakharchik and F. Mazzanti, (World Scientific, Singapore, 2008 , 245 (2008) [journal]
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[100] Yu. E. Lozovik, I. L. Kurbakov, G. E. Astrakharchik, M. Willander,
Bose condensation of two-dimensional dipolar excitons: Simulation by the quantum Monte Carlo method,
JETP 106, 296 (2008) [journal]
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[101] Bo Zhao, Zeng-Bing Chen, Jian-Wei Pan, Jörg Schmiedmayer, Alessio Recati, Grigory E. Astrakharchik, and Tommaso Calarco,
High-fidelity entanglement via molecular dissociation in integrated atom optics,
Phys. Rev. A 75, 042312 (2007) [journal]
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[102] D. S. Petrov, G. E. Astrakharchik, C. Salomon, G. V. Shlyapnikov,
Crystalline phase of strongly interacting Fermi mixtures,
Phys. Rev. Lett. 99, 130407 (2007) [journal]
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[103] G. E. Astrakharchik, R. Combescot, and L. P. Pitaevskii,
Fluctuations of the number of particles within a given volume in cold quantum gases,
Phys. Rev. A 76, 063616 (2007) [journal] [arXiv]
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[104] G.E. Astrakharchik, J. Boronat, I.L. Kurbakov, and Yu.E. Lozovik,
Quantum phase transition in a two-dimensional system of dipoles,
Phys. Rev. Lett. 98, 060405 (2007) [journal]
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[105] G.E. Astrakharchik, J. Boronat, J. Casulleras, I.L. Kurbakov, and Yu.E. Lozovik,
Weakly interacting two-dimensional system of dipoles: limitations of the mean-field theory,
Phys. Rev. A 75, 063630 (2007) [journal]
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[106] Yu. E. Lozovik, I.L. Kurbakov, G.E. Astrakharchik, J. Boronat, and Magnus Willander,
Effects of strong correlations for 2D Bose-Einstein condensed dipolar excitons,
Solid State Communications 144, 399 (2007) [journal]
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[107] G. E. Astrakharchik and S. Giorgini,
Correlation functions of a Lieb-Liniger Bose gas,
J. Phys. B: At. Mol. Opt. Phys. 39, S1-S12 (2006) [journal]
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[108] G. E. Astrakharchik, D. M. Gangardt, Yu.E Lozovik and I.A. Sorokin,
Off-diagonal correlations of the Calogero-Sutherland model,
Phys. Rev. E 74 74, 021105 (2006) [journal]
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[109] S. Giorgini, G. E. Astrakharchik, J. Boronat, and J. Casulleras,
Quantum Monte Carlo study of a Fermi gas in the BEC-BCS crossover,
“Recent Progress in Many-Body Theories MB13”, ed. S. Hernández and H. Cataldo (World Scientific, Singapore) , 228-237 (2006) [journal]
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[110] S. Giorgini, G. E. Astrakharchik, J. Boronat, and J. Casulleras,
Quantum Monte Carlo study of a Fermi gas in the BEC-BCS crossover,
Int. J. Mod. Phys. B 20, 5189 (2006) [journal]
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[111] A. S. Arkhipov, G. E. Astrakharchik, A. V. Belikov, and Yu. E. Lozovik ,
Ground-state properties of a one-dimensional system of dipoles,
Pis’ma Zh. Eksp. Teor. Fiz. 82, 41 (2005) [journal]
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[112] G. E. Astrakharchik,
Local density approximation for a perturbative equation of state,
Phys. Rev. A 72, 063620 (2005) [journal]
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[113] G. E. Astrakharchik, J. Boronat, J. Casulleras, and S. Giorgini,
Beyond the Tonks-Girardeau gas: Strongly correlated regime in quasi-one-dimensional Bose gases,
Phys. Rev. Lett. 95, 190407 (2005) [journal]
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[114] G. E. Astrakharchik, J. Boronat, J. Casulleras, and S. Giorgini,
Momentum distribution and condensate fraction of a Fermi gas in the BCS-BEC crossover,
Phys. Rev. Lett. 95, 230405 (2005) [journal]
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[115] G. E. Astrakharchik, R. Combescot, X. Leyronas and S. Stringari,
Equation of state and collective frequencies of a trapped Fermi gas along the BEC-unitarity crossover,
Phys. Rev. Lett. 95, 030404 (2005) [journal]
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[116] G. E. Astrakharchik, D. Blume, S. Giorgini, and B. E. Granger,
Quasi-One-Dimensional Bose Gases with a Large Scattering Length,
Phys. Rev. Lett. 92, 030402 (2004) [journal]
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[117] G. E. Astrakharchik, D. Blume, S. Giorgini, B. E. Granger,
Quantum Monte Carlo study of quasi-one-dimensional Bose gases,
J. Phys. B: At. Mol. Opt. Phys. 37, 5205 (2004) [journal]
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[118] G. E. Astrakharchik, D. Blume, S. Giorgini, L. P. Pitaevskii,
Interacting fermions in highly elongated harmonic traps,
Phys. Rev. Lett. 93, 050402 (2004) [journal]
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[119] G. E. Astrakharchik, J. Boronat, J. Casulleras, and S. Giorgini,
Equation of State of a Fermi Gas in the BEC-BCS Crossover: A Quantum Monte Carlo Study,
Phys. Rev. Lett. 93, 200404 (2004) [journal]
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[120] G.E. Astrakharchik and L.P. Pitaevskii,
Motion of a heavy impurity through a Bose-Einstein condensate,
Phys. Rev. A 70, 013608 (2004) [journal]
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[121] G. E. Astrakharchik and S. Giorgini,
Correlation functions and momentum distribution of one-dimensional Bose systems,
Phys. Rev. A 68, 031602(R) (2003) [journal]
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[122] G. E. Astrakharchik and S. Giorgini,
Quantum Monte Carlo study of the three- to one-dimensional crossover for a trapped Bose gas,
Phys. Rev. A 66, 053614 (2002) [journal]
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[123] G. E. Astrakharchik, J. Boronat, J. Casulleras and S. Giorgini,
Superfluidity and Bose-Einstein condensation in a Bose gas with disorder,
Phys. Rev. A 66, 023603 (2002) [journal] [arXiv]
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[124] G. E. Astrakharchik, A. I. Belousov, Yu. E. Lozovik,
Properties of two-dimensional dusty plasma clusters,
Phys. Lett. A 258, 123-130 (1999) [journal]
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[125] G. E. Astrakharchik, A. I. Belousov, Yu. E. Lozovik,
Two-dimensional mesoscopic dusty plasma clusters: Structure and phase transitions,
JETP 89, 696 (1999) [journal]
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