Structure and Dynamics of Bose Polarons across the Mott-Insulator to Superfluid TransitionA mobile impurity particle immersed in a quantum degenerate gas leads to the formation of a quasiparticle, which can serve as a sensor for its environment. Here, we develop a unified wave function…Ragheed Alhyder, Alessio Recati, Georg M. Bruun·Sep 28, 2026SaveLearn
Spontaneous breaking of continuous scale invariance and Efimovian-like dynamics in a driven-dissipative harmonic oscillatorThe Efimov effect manifests discrete scale invariance through a geometric series of three-body bound states. Analogous discrete scale symmetry has been observed in the Efimovian expansion of…Zehui Wu, Jian Yu, Jian-Song Pan·Sep 28, 2026SaveLearn
A projection operator approach for ultracold bosons coupled to a cavityWe employ a projection operator technique to study the equilibrium phases and the non-equilibrium quench and ramp dynamics of ultracold bosons described by a two-dimensional (2D) Bose-Hubbard model…Sarbarish Sen, Bimalendu Deb, K. Sengupta·Sep 28, 2026SaveLearn
Spectral Crossings Diagnose Multiply Quantized Vortex SplittingA charge-r coupling vortex can remain as one fused order-r zero or split into r nearby unit-charge zeros after weak symmetry breaking. The two configurations have the same total winding and the…Jongheon Baek, Hiroyuki Tajima, Gihwan Nam·Sep 27, 2026SaveLearn
Mobile-impurity dynamics in a non-Hermitian Stark-localised bathWe investigate the dynamics of a clean mobile impurity coupled to a bath subjected to a linear Stark potential as well as asymmetric hopping in one dimension. The impurity mediates resonant…Muhammad S. Hasan, Hsiang-Hua Jen, Jhih-Shih You·Sep 27, 2026SaveLearn
Pancake-shaped vortex droplets in dipolar molecular BECsAnisotropic interactions profoundly affect topological excitations in quantum fluids. Motivated by recent advances in the studies of microwave-shielded polar molecules, we introduce self-trapped…Zibin Zhao, Xinyi Tang, Tianmiao Zhang et al.·Sep 26, 2026SaveLearn
Quantum undular bores, rainbows, and event horizons in superfluid dam breaksThe sudden removal of a potential barrier from a Bose-Einstein condensate (BEC) gives rise to a quantum version of a hydrodynamic dam break and leads to rich wave dynamics that have similarities to…Liam M. Farrell, Wyatt Kirkby, Alex Harris et al.·Sep 26, 2026SaveLearn
Spatiotemporal Non-Hermitian Skin Effect with Floquet-Engineered Ultracold AtomsNon-Hermitian skin effect, the accumulation of bulk eigenstates at edges under open boundary conditions, has been observed across classical, quantum, and synthetic platforms. Whether it can be…Weijie Liang, Weiping Zhang, Keye Zhang·Sep 25, 2026SaveLearn
Electron lattice potentials for ultracold atoms using circular Rydberg orbitalsRecent advances in experiments using individually trapped atoms have enabled precise control over circular Rydberg electrons with exceptionally long lifetimes. We show that these giant and stable…Aileen A. T. Durst, Einius Pultinevicius, Homar Rivera-Rodríguez et al.·Sep 25, 2026SaveLearn
Rydberg-Atom-Mediated Strong Antisymmetric Spin Exchange in Molecular ArraysUltracold molecular systems have recently emerged as a versatile platform for quantum computation and simulation. Spin-exchange interactions arising from direct molecular dipolar interactions…Yunqing Jiao, Jin-Zhu Jiang, Bo-Wen Guan et al.·Sep 25, 2026SaveLearn
Synthetic Berry curvature in atom-cavity systemsIn atom-cavity systems, mean field theory is widely used, in which the quantum cavity operator is replaced by a classical amplitude. Then the problem is converted into atoms moving in a…Zheng Tang, Rui-Lin Zhang, Xiaotian Nie et al.·Sep 25, 2026SaveLearn
Front-based construction of quantum droplets, bubbles, and hole states in a Bose mixtureWe study nonlinear holes, bubbles, kink fronts, and quantum-droplet-like states in an elongated Bose mixture governed by an extended Gross-Pitaevskii equation with attractive cubic mean-field…Sherzod R. Otajonov, Fatkhulla Kh. Abdullaev·Sep 25, 2026SaveLearn
Characterizing quasiparticles in strongly correlated systems using nonlinear spectroscopy in quantum simulatorsCharacterizing carrier type in strongly correlated quantum systems conventionally relies on the Hall effect. In cold-atom quantum simulators, implementing Hall transport measurements typically…Luka Skolc, Utso Bhattacharya, Jonathan B. Curtis et al.·Sep 24, 2026SaveLearn
Microscopic theory of the collective optical response of dilute atomic clouds at finite temperatureAt low temperature, collective light-induced dipole-dipole interactions are known to strongly reshape the optical response of atomic clouds, revealing the breakdown of the independent-scattering…Tanja Schoger, Romain Pierrat, Nicolas Cherroret·Sep 24, 2026SaveLearn
Moiré droplet of ultracold Bose gases in a twisted-bilayer optical latticeWe report the emergence of Moiré droplet in two-dimensional ultracold bosons subjected to a spin-dependent optical lattice, effctively realizing a twisted-bilayer configuration. We show that the…Tianqi Luo, Jing Zhang, Xiaoling Cui·Sep 24, 2026SaveLearn
Quantum dynamics of spinful impurity in ideal Bose gasWe discuss the quench dynamics of an isolated system composed of a single spinful impurity in the transverse Rabi field and bath of non-interacting three- and two-dimensional bosons. Specifically, we…O. Hryhorchak, V. Pastukhov·Sep 23, 2026SaveLearn
Non-Hermitian engineering of superfluidity in a Rashba spin-orbit-coupled Fermi gasWe investigate superfluid pairing in a two-dimensional Rashba spin-orbit-coupled Fermi gas subject to spin-selective one-body loss. Within the non-Hermitian mean-field framework, we self-…Pingcheng Zhu, Lihong Zhou, Jianxin Zhong·Sep 23, 2026SaveLearn
From harmonic to sound-like oscillations in a quantum gas confined in a gravity compensated shell trapWe study the center of mass oscillations of a quantum gas in a shell shaped trap in the presence of a vertical force opposed to gravity. The measured harmonic frequency at the bottom of the shell is…Matthieu Cassus, Rishabh Sharma, Maxime Pesche et al.·Sep 21, 2026SaveLearn
Fold Catastrophes in a Hopf Texture Driven by a Navier--Stokes Blow-Up AnalogA two-component Bose--Einstein condensate can host a pseudospin Hopf texture coupled to the viscous normal flow of its thermal cloud. Motivated by OpenAI's reported finite-time Navier--Stokes…Antti J. Niemi·Sep 21, 2026SaveLearn
Thermal Evolution and Disorder Dependence of the Bose-glass: Spatial, Spectral, and Localization SignaturesIn this work, we characterize the glassy character of the Bose-glass phase in a disordered Bose-Hubbard model using three complementary diagnostics: the finite-temperature spectral function, spatial…Madhumita Kabiraj, Raka Dasgupta·Sep 21, 2026SaveLearn
Universal Dynamics of a Spin-3/2 Fermi Gas in Traps with Distinct SpectraUniversal power-law decay of spin-mixing oscillations has been observed in a harmonically trapped spin-3/2 Fermi gas, whose exactly equally spaced spectrum represents a highly special case. To gain…Shuyi Li, Qiang Gu·Sep 21, 2026SaveLearn
Robust Spin Universality Across a Ballistic-to-Diffusive Transport CrossoverWhether a full counting statistical distribution preserves its universality class across a coherent-to-incoherent crossover is a fundamental question in open quantum systems. We resolve this for the…Cătălin Paşcu Moca, Ovidiu I. Pâţu, Balázs Dóra·Sep 20, 2026SaveLearn
Efficient MPO Construction for Long-Range Hamiltonians with Periodic Boundary Conditions: Application to Many-Body DynamicsMatrix product operator (MPO) serves as a fundamental component in tensor network simulations of quantum many-body dynamics. We employ an MPO construction that introduces additional propagation…Xin Wang, Bo Xiong·Sep 18, 2026SaveLearn
Analytic results for thermal correlation enhancement after a trap quenchWe investigate the nonequilibrium evolution of density correlations in a thermal one-dimensional Bose gas following a trap quench. We focus on the Tonks--Girardeau limit and develop an analytical…Giorgio Li, Paola Ruggiero, Stefano Scopa·Sep 17, 2026SaveLearn
Unified hydrodynamics for density and spin supersolidsTwo-component supersolids can exhibit in-phase or out-of-phase component density modulations, corresponding to density and spin supersolids, respectively. We formulate a general hydrodynamic theory…Ashwath N. Madhusudan, Au-Chen Lee, P. B. Blakie et al.·Sep 17, 2026SaveLearn