656 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 utilizes the Pitaevskii-Gross equation to theoretically model the interference and spatial density spectrum of a freely expanding chain of Bose condensates, successfully reproducing the experimental peak positions and their dependence on interparticle interactions while noting discrepancies in peak heights.
This paper presents a unified semiclassical framework that derives analytic expressions for evaporative cooling in trapped atomic gases across both classical and quantum regimes, offering a recursive protocol and numerical insights to optimize cooling trajectories in various experimental geometries.
This paper demonstrates that a one-dimensional array of ultracold atoms weakly coupled to a Bose-Einstein condensate and driven by lasers evolves into unique, robust steady states localized at the system's edges, establishing the setup as a topological material characterized by its master equation.
This paper presents numerical evidence for the emergence of a chiral spin liquid phase in Rydberg atom arrays arranged in a breathing kagome lattice, identifying a quantum phase transition from a Dirac spin liquid as the lattice geometry is tuned.
Motivated by recent works of Lewin, Lieb, and Seiringer, this paper proposes rigorous definitions of the quantum and classical non-uniform electron gas via grand-canonical functionals, establishes them as thermodynamic limits, and analyzes their properties in the presence of an arbitrary lattice-periodic background density.
This paper demonstrates that interconnected semiconductor microcavity polariton condensates trapped in Ouroboros-shaped rings can utilize nonresonantly controlled quantized vortex phases to realize a universal set of all-optical logic gates (AND, OR, NIMPLY), establishing a robust platform for complex polaritonic computing.
This study reveals that confined, two-dimensional quantum droplets in attractive binary Bose mixtures exhibit unique "heterosymmetric" states with distinct vorticities in their components near half-integer angular momenta, a phenomenon that is missed by single-order-parameter models but captured by a two-component approach incorporating beyond-mean-field effects.
This paper presents numerical simulations of Model F using a Metropolis algorithm to investigate the critical dynamics of the superfluid phase transition, successfully reproducing the expected dynamical exponent and observing a propagating second sound mode whose diffusivity follows the predicted scaling relation with the correlation length.
Using a Lindblad master-equation approach, this study reveals that open photon condensates in dye-filled microcavities exhibit long-lived metastable plateaus stabilized by ghost attractors with quasithermal fluctuations and undergo multiple non-Hermitian phase transitions driven by exceptional points in their relaxation dynamics.
Researchers have experimentally realized the parity anomaly in a genuine two-dimensional system of ultracold dysprosium atoms by engineering a synthetic dimension, observing a robust half-quantized Hall response at a topological phase transition that is protected by emergent parity symmetry.