Low-Lying Collective Modes of a One-Dimensional Bose Gas with Quantum Fluctuation Effect
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Low Temperature Physics"
DOI: 10.1007/s10909-020-02438-x
Abstract: We theoretically investigate the collective excitations of a one-dimensional Bose–Einstein condensate with both interparticle interaction and quantum fluctuation effect in an anharmonic trap. We derive the coupled equations of motions for the center-of-mass coordinate of… read more here.
Keywords: fluctuation effect; quantum fluctuation; one dimensional; dimensional bose ... See more keywords
The Casimir-like effect in a one-dimensional Bose gas
Sign Up to like & getrecommendations! Published in 2019 at "New Journal of Physics"
DOI: 10.1088/1367-2630/ab1b8e
Abstract: The electromagnetic Casimir effect manifests as the interaction between uncharged conducting objects that are placed in a vacuum. More generally, the Casimir-like effect denotes an induced interaction between external bodies in a fluctuating medium. We… read more here.
Keywords: casimir like; dimensional bose; like effect; one dimensional ... See more keywords
Two-dimensional Bose and Fermi gases beyond weak coupling
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Statistical Mechanics: Theory and Experiment"
DOI: 10.1088/1742-5468/aa79ac
Abstract: Using a formalism based on the two-body S-matrix we study two-dimensional Bose and Fermi gases with both attractive and repulsive interactions. Approximate analytic expressions, valid at weak coupling and beyond, are developed and applied to… read more here.
Keywords: bose fermi; two dimensional; fermi gases; weak coupling ... See more keywords
Dynamical phase diagram of a one-dimensional Bose gas in a box with a tunable weak link: From Bose-Josephson oscillations to shock waves
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review A"
DOI: 10.1103/physreva.104.023316
Abstract: We study the dynamics of one-dimensional bosons trapped in a box potential, in the presence of a barrier creating a tunable weak-link, thus realizing a one dimensional Bose-Josephson junction. By varying the initial population imbalance… read more here.
Keywords: one dimensional; dimensional bose; shock waves; bose josephson ... See more keywords
Nonergodic dynamics of the one-dimensional Bose-Hubbard model with a trapping potential
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DOI: 10.1103/physreva.104.043322
Abstract: We investigate nonergodic behaviors of the one-dimensional Bose-Hubbard model, which emerge in the unitary quantum dynamics starting with the initial state |ψ(0)〉 = | · · · 2020 · · · 〉, in the presence… read more here.
Keywords: dimensional bose; hubbard model; bose hubbard; trapping potential ... See more keywords
Mixed-dimensional Bose polaron
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review A"
DOI: 10.1103/physreva.96.033625
Abstract: A new generation of cold atom experiments trapping atomic mixtures in species selective optical potentials opens up the intriguing possibility to create systems in which different atoms live in different spatial dimensions. Inspired by this,… read more here.
Keywords: polaron; mixed dimensional; bose polaron; dimensional bose ... See more keywords
Adiabatic formation of bound states in the one-dimensional Bose gas
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review B"
DOI: 10.1103/physrevb.103.165121
Abstract: Disclaimer/Complaints regulations If you believe that digital publication of certain material infringes any of your rights or (privacy) interests, please let the Library know, stating your reasons. In case of a legitimate complaint, the Library… read more here.
Keywords: dimensional bose; formation bound; adiabatic formation; states one ... See more keywords
Nonuniversal Equation of State of the Two-Dimensional Bose Gas.
Sign Up to like & getrecommendations! Published in 2017 at "Physical review letters"
DOI: 10.1103/physrevlett.118.130402
Abstract: For a dilute two-dimensional Bose gas the universal equation of state has a logarithmic dependence on the s-wave scattering length. Here we derive nonuniversal corrections to this equation of state, taking account of finite-range effects… read more here.
Keywords: two dimensional; bose gas; equation state; dimensional bose ... See more keywords
Large-Scale Description of Interacting One-Dimensional Bose Gases: Generalized Hydrodynamics Supersedes Conventional Hydrodynamics.
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DOI: 10.1103/physrevlett.119.195301
Abstract: The theory of generalized hydrodynamics (GHD) was recently developed as a new tool for the study of inhomogeneous time evolution in many-body interacting systems with infinitely many conserved charges. In this Letter, we show that… read more here.
Keywords: bose gases; generalized hydrodynamics; conventional hydrodynamics; one dimensional ... See more keywords
Sound Propagation in a Uniform Superfluid Two-Dimensional Bose Gas.
Sign Up to like & getrecommendations! Published in 2018 at "Physical review letters"
DOI: 10.1103/physrevlett.121.145301
Abstract: In superfluid systems several sound modes can be excited, such as, for example, first and second sound in liquid helium. Here, we excite running and standing waves in a uniform two-dimensional Bose gas and we… read more here.
Keywords: bose gas; dimensional bose; sound; two dimensional ... See more keywords
Oscillations and Decay of Superfluid Currents in a One-Dimensional Bose Gas on a Ring.
Sign Up to like & getrecommendations! Published in 2019 at "Physical review letters"
DOI: 10.1103/physrevlett.123.195301
Abstract: We study the time evolution of a supercurrent imprinted on a one-dimensional ring of interacting bosons in the presence of a defect created by a localized barrier. Depending on interaction strength and temperature, we identify… read more here.
Keywords: dimensional bose; decay superfluid; currents one; superfluid currents ... See more keywords