Condensed Matter · Physics & Astronomy
Quantum Gases
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122 papers, from 21 September 2026 to 5 November 2026: 122 arXiv preprints.
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Finesse evolution in a bichromatic cavity under blue and red resonant illumination in vacuum
The long-term performance of high-finesse optical cavities depends on the stability of their mirror coatings under vacuum and under continuous exposure to high circulating power.Kelvin-Wave Multiplication by Sound Emission
Kelvin waves are bending excitations of a quantized vortex.Multidimensional revival dynamics in a bosonic many-body system
The collapse and revival of localized states in many-body systems is a quintessential example of a quantum interference phenomenon that cannot be explained purely within mean-field theories.Time Reflection-Refraction Crossover at Topological Kramers Edge States
Time-reversal symmetry protects helical edge states against static nonmagnetic backscattering.Static dipolar impurity in a Fermi gas
We consider a static dipolar impurity immersed in a Fermi gas and show how dipolar interactions shape both the few-body scattering properties and the resulting polaron physics.Gapless and Non-Equilibrium Topology in Blockaded Ladders
We propose a multi-leg PXYP model as a minimal setting to explore constraint-induced intertwinement between itinerant and internal degrees of freedom.Fock-space delocalization and its control in scarred-vs-ergodic dynamics
Quantum many-body scarred dynamics in Rydberg-atom arrays is characterized by revivals, in which the system repeatedly returns to its initial state despite its many-body complexity.Beyond the Kubo formula: unification of adiabatic and isothermal response in quantum systems
The static limit of the Kubo susceptibility describes the adiabatic response of an isolated quantum system, in which energy-level occupations remain unchanged, and generally differs from the…Tunable Three-Body Interactions in Microwave-Shielded Polar Molecules
We show that microwave shielding, which enables collisionally stable ultracold polar molecules, also leads to genuine nonadditive three-body interactions comparable to the shielding interaction…Preparation of a Laughlin-like fractional Chern insulator on a superconducting quantum processor
Fractional Chern insulators (FCIs) are lattice analogues of fractional quantum Hall states, hosting topological order and fractionalized anyonic excitations.Tan's Contact for Trapped Spin-Orbit-Coupled Fermi Gases at Finite Temperature
Tan's contact, bridging microscopic features of many-body quantum systems to two-body contact interactions, is pivotal in the description of quantum gases.Nonreciprocal Floquet tunneling dynamics of spin-orbit-coupled bosonic atoms in a non-Hermitian double-well potential
The stable tunneling dynamics in non-Hermitian quantum systems is one of the fundamental issues in the study of quantum transport.Kinetic Slush in Dissipative Rydberg Arrays
We investigate the nonequilibrium dynamics of a kinetic slush state realized via facilitated excitations in a two-dimensional dissipative Rydberg atom array.Quantum Fisher Information Deficit as a Geometric Signature of Strong-to-Weak Spontaneous Symmetry Breaking
Recently, strong-to-weak spontaneous symmetry breaking (SW-SSB) has been established as a framework for describing quantum phases in open systems.Threshold Criteria for Bosonic and Fermionic Trimers on a Square Lattice: A Birman--Schwinger Comparison
We compare two three-particle lattice models on the square lattice at total quasimomentum zero: three identical bosons with attractive contact interactions, and a two-fermion plus one…Mediated Interactions between Fermi Polarons in the Strongly Interacting Regime
Mediated interactions between quasiparticles lie at the heart of Landau Fermi-liquid theory, yet their behavior in the strongly correlated regime is not fully understood.Quantum state revivals, time quasicrystals, and entanglement steering in a Fibonacci-driven central-spin model
Motivated by the search for non-equilibrium phases of matter beyond the Floquet paradigm, we propose a route to realize perfect revivals and time quasicrystals (TQCs) in a Fibonacci-driven…Analytic Bootstrap Solution for Quantum Mechanics on a Circle
We solve the Schrödinger equation for a particle in the circle with a quantum mechanical bootstrap method.Kinetic competition controls loss-induced exceptional points of Hubbard pairs
Two-body loss can bind two fermions in a Hubbard lattice, yet the binding threshold in the infinite lattice need not be an exceptional point (EP).Bose-Einstein condensate in a shell: nonlinear modes and symmetry breaking
The state of a quantum particle confined to a spherical surface is commonly described using spherical harmonics, which play a crucial role in solving many scientific problems featuring spherical…