662 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 presents a validated first-principles Monte Carlo simulation of light-mediated dynamics in tweezer-trapped erbium atoms, which is used to optimize single-atom preparation by evaluating the efficiency and fidelity of different light-assisted collision transitions.
Using matrix product state simulations, this paper reveals that doping the Gross-Neveu-Wilson model induces exotic inhomogeneous phases, including topological crystals and soliton lattices driven by Hilbert-space fragmentation, as well as chiral spirals, thereby demonstrating the rich finite-density landscape of lattice field theories and motivating future quantum simulations.
This paper investigates the emergence of chaotic synchronization in two coherently coupled dissipative time crystals, demonstrating that while both classical mean-field and finite-size quantum regimes exhibit a crossover from staggered to uniform magnetization, the quantum case displays distinct crossover points and entanglement-driven dynamics alongside Gaussian Unitary Ensemble statistics.
This paper theoretically proposes a quantum heat engine utilizing a ring-trapped Bose-Einstein condensate in an orbital angular momentum-carrying Fabry-Pérot cavity, demonstrating that twisted light serves as a control knob to switch polaritonic modes and optimize efficiency even in finite-time operation via shortcuts to adiabaticity.
This paper proposes a robust, scalable scheme for deterministically loading single microwave-shielded molecules into optical tweezer arrays with high fidelity and low entropy by utilizing interaction blockade to prevent multiparticle occupancy, thereby enabling large-scale polar molecule arrays for quantum technologies.
This paper utilizes a dissipative field-theoretic framework to demonstrate how spatial confinement and exchange statistics jointly govern collective radiance in quantum degenerate matter, revealing how bosonic enhancement and Pauli blocking dictate superradiant scaling while identifying thermal dilution and recoil-induced transport as mechanisms that disrupt collective order.
This paper investigates density and spin excitations in one-dimensional self-bound Bose-Bose droplets using Bogoliubov theory, variational analysis, and real-time dynamics, demonstrating that spin modes become observable as interspecies coupling increases within the mean-field stability regime and comparing these findings with Petrov's original theory.
This paper experimentally demonstrates the engineering of a one-dimensional anomalous Floquet topological phase in an optical lattice by utilizing multi-frequency driving with a tunable relative phase to manipulate gap windings and validate the resulting topology through a band-inversion-surface-resolved Ramsey protocol.
This study demonstrates that increasing one-dimensional lattice confinement in an ultracold Li Fermi gas induces an orbital-dependent dimensional crossover of a -wave Feshbach resonance, where the relative contributions of different orbital channels evolve due to reduced dimensionality, establishing confinement as a powerful tool for controlling anisotropic interactions in quantum matter.
This paper presents a classical field simulation study using the stochastic projected Gross-Pitaevskii equation to investigate the thermal melting of a two-dimensional vortex lattice in a fast-rotating Bose gas, revealing clear signatures of the Kosterlitz-Thouless-Halperin-Nelson-Young melting scenario and demonstrating the crucial role of finite-size effects on defect proliferation and melting temperatures.