648 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 constructs models exhibiting towers of quantum many-body scars with restricted spectrum generating algebra structures and sub-volume law entanglement by utilizing tilted Néel integrable boundary states, a method extendable to two-dimensional systems.
This paper proposes an experimental scheme using periodically driven Bose-Hubbard systems with cavity-mediated interactions to induce global kinetic constraints, enabling the direct implementation of long-range multi-body interactions and efficient realization of global controlled gates like the N-qubit Toffoli gate without requiring two-body decompositions.
This paper demonstrates that while coherent driving suppresses vortices in uniform scalar Bose-Einstein condensates by breaking U(1) symmetry, a driven two-component spinor system spontaneously breaks spin symmetry to form distinct topological domain walls that interact with vortices to establish long-range order.
This paper introduces a pseudo-fermion propagator approach that resolves the fermion sign problem in path integral Monte Carlo simulations by utilizing the absolute value of the fermionic determinant and an energy shift, enabling accurate first-principles calculations of fermionic systems across various degeneracy regimes.
This paper reviews theoretical advances on stabilizing multidimensional solitons in attractive nonlinear Schrödinger systems, such as Bose-Einstein condensates and nonlinear optics, by examining various mechanisms like optical lattices, Feshbach resonance management, and quantum corrections that counteract their inherent tendency to collapse.
This paper employs the Hartree mean-field approximation on the Bethe lattice to map the ground-state and finite-temperature phase diagrams of the extended Hubbard model, revealing how onsite repulsion suppresses charge ordering to drive transitions between insulating and metallic states while highlighting the method's analytical advantages over purely numerical approaches.
This paper demonstrates that a Rydberg atom array can simulate false vacuum decay and bubble nucleation, experimentally verifying the exponential dependence of decay rates on symmetry-breaking fields predicted by quantum field theory while revealing how minor deviations from metastability disrupt this universal scaling and enabling the study of resonant nucleation in discrete quantum systems.
This paper proposes and validates a disorder-free mechanism using an optimized nearest-neighbor pair-hopping term to destructively interfere with doublon transport in the Extended Bose-Hubbard model, thereby achieving near-complete dynamical arrest in one-dimensional chains and inducing long-lived prethermalization in many-body regimes.
This paper demonstrates that deforming the spin-1 Babujian-Takhtajan chain with its third conserved charge, which acts as a dressed scalar-chirality operator, induces a quantum phase transition into a gapless, chiral current-carrying state described by a conformal field theory, a phenomenon verified through thermodynamic Bethe ansatz and DMRG simulations.
This paper demonstrates high-fidelity (>99.9%) and nondestructive imaging of single Yb atoms in shallow clock-magic tweezers using alternating dual-tone narrowline cooling, a technique that enables scalable quantum systems and highly repeatable tweezer clocks.