Emission Dynamics of Rydberg Excitons in Cu2O: Distinguishing Second Harmonic Generation from Secondary EmissionRydberg excitons in Cu2O simultaneously give rise to two very different optical responses under resonant two-photon excitation: a coherent second-harmonic signal mediated by the excitonic…Kerwan Morin, Poulab Chakrabarti, Delphine Lagarde et al.·Jan 8, 2026SaveLearn
Stability and mixed phases of three-component droplets in one dimensionWe explore the ground state properties and excitation spectra of one-dimensional three-component bosonic mixtures accommodating a droplet in two of the species and a third minority component. Relying…I. A. Englezos, E. G. Charalampidis, P. Schmelcher et al.·Jan 8, 2026SaveLearn
Enhanced Microwave Sensing with Dissipative Continuous Time CrystalsA dissipative time crystal is an emergent phase in driven-dissipative quantum many-body systems, characterized by sustained oscillations that break time-translation symmetry spontaneously. Here, we…Yunlong Xue, Zhengyang Bai, Yu-Qiang Ma·Jan 8, 2026SaveLearn
Half-vortex soliton lattices in spin-orbit-coupled Bose-Einstein condensates with a quasi-flat bandPeriodic potentials with flat bands in their spectra support strongly localized nonlinear excitations. Although a perfectly flat band cannot exist in a continuous system, a spin-orbit-coupled…Chenhui Wang, Yongping Zhang, Vladimir V. Konotop·Jan 8, 2026SaveLearn
Scalable cold-atom quantum simulator of a 3+1D U(1) lattice gauge theory with dynamical matterThe stated overarching goal of the highly active field of quantum simulation of high-energy physics (HEP) is to achieve the capability to study ab-initio real-time microscopic dynamics of…Simone Orlando, Guo-Xian Su, Bing Yang et al.·Jan 7, 2026SaveLearn
Lattice Regularization of Non-relativistic Interacting Fermions in One DimensionFew-body systems in one spatial dimension provide an ideal setting for testing lattice methods, since exact results are available against which lattice systematics can be assessed. We study…Zihan Li, Son T. Nguyen·Jan 6, 2026SaveLearn
Universal coarsening of a two-dimensional Bose gas under conservative evolutionWe investigate the phase ordering dynamics of a uniform two-dimensional Bose gas quenched to a finite temperature in the superfluid phase. Starting from a defect-rich, far-from-equilibrium state, we…Andrew J. Groszek, Thomas P. Billam·Jan 6, 2026SaveLearn
Pair distribution functions of a superfluid spin-1/2 Fermi gas with contact interactions in the linearized time-dependent BCS theoryWe show that the minimal mean-field theory to use for calculating the pair distribution functions gσσ'(r,r\,') of a spatially homogeneous, unpolarized spin-1/2 superfluid…Yvan Castin·Jan 5, 2026SaveLearn
Non-Hermitian topological superfluidity in a three-dimensional fermi gas with spin-orbit couplingThe experimental advances in realizing artificial spin-orbit coupling (SOC) and non-Hermitian potentials in ultracold atomic system open a new avenue for exploring their significant roles in quantum…Pingcheng Zhu, Lihong Zhou, Jianxin Zhong·Jan 5, 2026SaveLearn
Accelerating evaporative cooling of a strongly interacting Fermi gas by tilting the optical trap with a magnetic field gradientWe present a rapid evaporative cooling scheme for a strongly interacting 6Li Fermi gas in an optical dipole trap. The method uses a magnetic-field-gradient--induced tilt of the trapping…Bolong Jiao, Shuai Peng, Qinxuan Peng et al.·Jan 5, 2026SaveLearn
Ground State and Collective Modes of Bose-Einstein Condensates in Newtonian and MOND-inspired gravitational potentialsWe analytically and numerically study the ground state and collective dynamics of Bose-Einstein condensates in two traps: a Newtonian potential and a logarithmic potential inspired by Modified…Ning Liu·Jan 3, 2026SaveLearn
Tunable chiral spiral phases in a non-Hermitian Ising-Gamma spin chainWe study the influence of dissipation on the Ising-Gamma model. Through observables such as ground-state energy, order parameters, entanglement entropy, etc., we identify each phase region and…Run-Dong Huang, Wei-Lin Li, Zhi Li·Jan 3, 2026SaveLearn
Chiral Dynamics Near Intra- and Inter-Band Exceptional Points under Dissipative Spin-Orbital-Angular-Momentum CouplingWe study the parametric chiral dynamics of atoms under dissipative spin-orbital-angular-momentum coupling (SOAMC). With atoms confined in the ring-shaped potential of the Laguerre-Gaussian Raman…Bo-Wen Liu, Ke-Ji Chen, Fan Wu et al.·Jan 2, 2026SaveLearn
Numerical study of boson mixtures with multi-component continuous matrix product statesThe continuous matrix product state (cMPS) ansatz is a promising numerical tool for studying quantum many-body systems in continuous space. Although it provides a clean framework that allows one to…Wei Tang, Benoît Tuybens, Jutho Haegeman·Dec 31, 2025SaveLearn
Visualizing the dispersions of Fermi polaron and molecule via spin-orbit couplingWe propose to measure the dispersions of Fermi polaron and molecule by engineering spin-orbit coupling (SOC) on the impurity, which induces spin flip with finite momentum transfer. The polaron…Tingting Shi, Xiaoling Cui·Dec 30, 2025SaveLearn
Assembling a Bose-Hubbard superfluid from tweezer-controlled single atomsQuantum simulation relies on the preparation and control of low-entropy many-body systems to reveal the behavior of classically intractable models. The development of new approaches for realizing…William J. Eckner, Theodor Lukin Yelin, Alec Cao et al.·Dec 30, 2025SaveLearn
Sound Wave in the Backreaction Affected Spacetime in Analogue Gravity Based on Number-Conserving ApproachAdopting a number-conserving approach, we show that the sound wave in the backreaction-affected dynamical spacetime obeys the equations of motion for a massive scalar field in an analogue spacetime.…Sang-Shin Baak, Hyun-Yong Lee·Dec 30, 2025SaveLearn
Ergodicity breaking meets criticality in a gauge-theory quantum simulatorRecent advances in quantum simulations have opened access to the real-time dynamics of lattice gauge theories, providing a new setting to explore how quantum criticality influences thermalization and…Ana Hudomal, Aiden Daniel, Tiago Santiago do Espirito Santo et al.·Dec 29, 2025SaveLearn
Instanton theory and fluctuation corrections to the thermal nucleation rate of a ferromagnetic superfluidWe provide a field-theoretical description of thermal nucleation in a one-dimensional ferromagnetic superfluid, a quantum-gas analogue of false-vacuum decay. The rate at which ground-state domains…Enrique Rozas Garcia, Johannes Hofmann·Dec 23, 2025SaveLearn
Opening a gap in the dispersion of the collective excitations of a driven-dissipative condensate subject to an external coherent driveWe build a minimal theoretical model to describe the opening of a gap in the dispersion of the collective excitations of a driven-dissipative condensate when the condensate phase is fixed by an…E. Stazzu, G. A. P. Sacchetto, I. Carusotto·Dec 23, 2025SaveLearn
Quasi-two-dimensional soliton in a self-repulsive spin-orbit-coupled dipolar binary condensateWe study the formation of solitons in a uniform quasi-two-dimensional (quasi-2D) spin-orbit (SO) coupled self-repulsive binary dipolar and nondipolar Bose-Einstein condensate (BEC) using the…S. K. Adhikari·Dec 20, 2025SaveLearn
Momentum correlations of the Hawking effect in a quantum fluidThe Hawking effect -- the amplification of fluctuations at the horizon -- has been detected in quantum fluids through real-space density correlations. However, real-space observables integrate over…Marcos Gil de Olivera, Malo Joly, Antonio Z. Khoury et al.·Dec 19, 2025SaveLearn
Scattering Problem in Bose-Einstein Condensates with Magnetic Domain WallWe present a comprehensive theoretical study of linear wave scattering from magnetic domain walls with varied twist angles Θ in spin-1/2 Bose-Einstein condensates (BECs). Using a gauge…Mei Zhao, Lijia Jiang, Tao Yang et al.·Dec 19, 2025SaveLearn
The crossover from classical to quantum transport in a weakly-interacting Fermi gasWe present an exact solution of the quantum kinetic equation of a weakly interacting Fermi gas in the crossover from the degenerate Fermi-liquid regime to the classical Boltzmann gas. We construct…Hadrien Kurkjian·Dec 19, 2025SaveLearn
Time-optimal force sensing with ultracold atomsWe develop a time-optimal approach to force sensing using a Bose-Einstein condensate in a shaken optical lattice. Optimal control protocols are derived from a Fisher information framework and yield…Nicolas Ombredane, Eloi Flament, Charles Babin et al.·Dec 19, 2025SaveLearn