658 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 an efficient, GPU-extendable finite-difference simulation framework that significantly outperforms conventional methods in modeling bubble-shaped Bose-Einstein condensates, enabling the identification of key parameters for their experimental realization in microgravity environments like the International Space Station.
This paper reports the first realization of a spin-resolved quantum-gas microscope for fermionic Sr, enabling site-resolved detection of all 10 spin states in SU(N) Fermi-Hubbard systems to probe exotic magnetism and magnetic correlations.
This paper identifies and characterizes two previously elusive families of core-bound excitations (varicose and fluting waves) on Gross-Pitaevskii vortices, detailing their dispersion relations across different wavelength limits and proposing a spectroscopic protocol for their experimental detection.
This paper establishes a generalized -pairing framework for interacting non-Hermitian Hubbard models in arbitrary dimensions, revealing novel phenomena such as asymmetric eigenoperators, spatially modulated states, and anomalous skin effects that unify and extend traditional symmetry concepts beyond Hermitian limits.
This paper proposes and theoretically validates an efficient experimental scheme using multiparameter global optimization and lattice phase adjustment to load ultracold Fermi gases with broad momentum distributions into higher orbital bands of one-dimensional optical lattices, while identifying multiple quasi-momentum state occupancy as the primary factor limiting loading efficiency.
Using sign-problem-free quantum Monte Carlo simulations, this study maps the global phase diagram of a mobile impurity in a two-dimensional Bose-Hubbard model to reveal two distinct self-trapping mechanisms: an interaction-driven crossover in the superfluid phase characterized by impurity winding number collapse, and a compressibility-controlled localization in the Mott insulator phase driven by bath stiffness loss and defect quantization.
This paper demonstrates that a lattice gauge theory on a multi-graph with an odd number of links exhibits symmetry-protected topological order and charge deconfinement via fractionalized solitons, driven by a Peierls-like instability that intertwines gauge flux ordering with bond order waves.
This paper demonstrates that Hilbert-space quantization in polariton lattices enables a dynamical transition between superfluid and Bose-insulating phases, where weak nonlinearity sustains global phase coherence while strong nonlinearity induces inter-level mixing that suppresses coherence.
This paper proposes and analyzes a scalable scheme for implementing arbitrary unitary transformations on ultracold atoms in optical lattices by mapping superlattice dynamics to discrete linear optics, enabling high-density, sublinear-depth coherent rearrangement robust against experimental imperfections.
This study investigates the non-equilibrium dynamics of the disordered Power-of-Two model, revealing that while strong disorder induces localization and unique non-monotonic scrambling signatures, the system ultimately remains ergodic in the thermodynamic limit for any finite disorder strength.