642 papers
This category explores the fascinating world of quantum gases, where scientists cool atoms to temperatures near absolute zero to create exotic states of matter. In these extreme conditions, individual atoms begin to behave like a single giant wave, revealing strange quantum effects that are usually hidden in our everyday warm world. These experiments help researchers understand the fundamental rules governing matter and could one day lead to revolutionary new technologies like ultra-precise sensors or quantum computers.
On Gist.Science, we process every new preprint in this field directly from arXiv to make these complex discoveries accessible to everyone. Our team provides both plain-language overviews for the curious mind and detailed technical summaries for experts, ensuring you get the full picture without getting lost in the jargon. Below are the latest papers from arXiv in Cond-Mat — Quant-Gas, freshly summarized and ready for you to explore.
This paper demonstrates that Bose polarons immersed in a Bose-Einstein condensate can exhibit topological properties, including emergent Weyl nodes, nonzero Berry curvature, and chiral anomaly, driven solely by interspecies -wave Feshbach coupling without the need for spin degrees of freedom or spin-orbit coupling.
This paper presents a systematic numerical study of ground-state quantum droplets in homonuclear Bose-Bose mixtures using extended Gross-Pitaevskii equations with Lee-Huang-Yang corrections, introducing a robust GFLM-BFSP solver to validate the density-locked approximation, establish Thomas-Fermi convergence rates, and precisely determine the critical particle number for self-binding.
This paper investigates entanglement in one-dimensional Bose gases within the low-energy Bogoliubov regime, demonstrating that thermal states possess a simple diagonal optimal entanglement witness while out-of-equilibrium dynamics induced by compression can generate entanglement from separable states, with the witness structure becoming increasingly complex as the process deviates from adiabaticity.
This paper argues that long-range ordered Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) states are unstable to thermal fluctuations in two-dimensional isotropic systems but may persist in three dimensions, while proposing a nonperturbative renormalization group method to compute critical exponents at thermal -axial Lifshitz points and highlighting the potential for robust quantum Lifshitz points in imbalanced Fermi mixtures.
This paper presents the complete trans-series solution for the rapidity density moments in the Lieb-Liniger model by explicitly constructing it from perturbative expansions and Volin's method, thereby satisfying resurgence relations, matching numerical data, and providing the full analytic trans-series for a coaxial circular plate capacitor.
This paper investigates the ground state of two-dimensional abelian anyons in a trapping potential by deriving and numerically validating a magnetic Thomas-Fermi density functional theory, which successfully captures the system's behavior and its dependence on the magnetic flux fraction attached to the particles.
This study demonstrates that the quantum Mpemba effect robustly emerges in a four-site Bose-Hubbard chain due to interaction-driven redistribution of overlaps with slow decay modes, while being suppressed by noninteracting limits or spatial inhomogeneities like Stark fields and disorder.
This paper investigates the thermal Casimir effect in ideal Bose gases with Rashba spin-orbit coupling below the condensation temperature, revealing that the coupling induces long-ranged attractive forces with modified decay exponents and scaling behaviors that depend on dimensionality and wall orientation.
This paper proposes a dynamical pairing mechanism in a periodically driven two-dimensional hard-core boson model that generates an effective three-site interaction, leading to a bosonic pair condensate with unconventional $s+id$ wave symmetry while completely depleting the single-particle condensate.
This paper develops and applies robust numerical methods, including homotopy grid and dimension-by-dimension approaches, to identify diverse stationary states and uncover novel bifurcation phenomena and stability transitions in one- and two-dimensional quantum droplet models governed by the Lee-Huang-Yang correction.