Confinement-induced unatomic trimer states in mass-imbalanced systemsAs resonantly interacting trimers of the type AAB are progressively squeezed from D=3 to D=2, unatomic states emerge. We calculated the contacts from the high momentum tail of the single particle…Rafael M. Francisco, D. S. Rosa, T. Frederico et al.·Mar 3, 2025SaveLearn
Tail-induced equilibration in long-range interacting quantum latticesWe examine the relation between inter-particle interactions and real-time equilibration in one-dimensional lattice systems with hard-core constraints. Focusing on the roles of interactions, our…Wei-Han Li·Mar 3, 2025SaveLearn
Temperature Measurement via Time Crystal Frequencies in One-Dimensional Quantum DropletsWe propose a method for temperature measurement by analyzing the frequency of generated time crystals in one-dimensional (1D) quantum droplets. The system consists of a binary Bose-Einstein…Saurab Das, Jagnyaseni Jogania, Jayanta Bera et al.·Mar 2, 2025SaveLearn
Correlated hopping induced topological order in an atomic mixtureThe large majority of topological phases in one dimensional many-body systems are known to inherit from the corresponding single-particle Hamiltonian. In this work, we go beyond this assumption and…Ashirbad Padhan, Luca Barbiero, Tapan Mishra·Mar 1, 2025SaveLearn
Mediated Interactions and Damping Effects in Superfluid Mixtures of Bose and Fermi GasesWe investigate the homogeneous superfluid mixtures of Bardeen-Cooper-Schrieffer~(BCS) superfluid originating from pairing two-species fermionic atoms and superfluidity stemming from condensation of…Dong-Chen Zheng, Yu-Xin Liao, Wen Lin et al.·Mar 1, 2025SaveLearn
Theoretical Exploration of Phase Transitions in a Cavity-BEC System with Two Crossed Optical PumpsWe consider a Bose-Einstein condensation (BEC) inside an optical cavity and two crossed coherent pump fields. We determine the phase boundary separating the normal superfluid phase and the…Wei Qin, Dong-Chen Zheng, Zhao-Di Wu et al.·Mar 1, 2025SaveLearn
Optical response of the supersolid polaronThe ground-state properties of the supersolid polaron consisting of a neutral impurity immersed in a dipolar supersolid have recently been studied. Here, the optical response of an impurity in a…Laurent H. A. Simons, Ralf Klemt, Tilman Pfau et al.·Feb 28, 2025SaveLearn
Understanding Floquet Resonances in Ultracold Gas ScatteringScattering by a short-range potential with time-periodic interaction strength is investigated with a Floquet-scattering theory. Sharp resonances occur, at which the s-wave scattering length can be…Christoph Dauer, Axel Pelster, Sebastian Eggert·Feb 28, 2025SaveLearn
Efimov Effect in Long-range Quantum Spin ChainsWhen two non-relativistic particles interact resonantly in three dimensions, an infinite tower of three-body bound states emerges, exhibiting a discrete scale invariance. This universal phenomenon,…Ning Sun, Lei Feng, Pengfei Zhang·Feb 28, 2025SaveLearn
Elongated vortex quantum droplets in binary Bose-Einstein condensatesStability of elongated (``slender") quantum droplets (QDs) with embedded unitary and multiple vorticity is a problem that was not solved previously. In this work, we propose a solution which…Guilong Li, Zibin Zhao, Rui Zhang et al.·Feb 27, 2025SaveLearn
Stochastic Gross-Pitaevskii theory for a spin-1 Bose gas: Application to superfluidity in two dimensionsThis paper develops and implements the stochastic projected Gross-Pitaevskii equation for spin-1 Bose gases, addressing key considerations for numerical simulations. As an application of the theory…Andrew P. C. Underwood, P. B. Blakie·Feb 26, 2025SaveLearn
Formation of Complex Discrete Time Crystals with Ultracold AtomsWe study discrete time crystal formation in a system driven periodically by an oscillating atomic mirror, consisting of two distinct ultracold atomic clouds in the presence of a gravitational field.…Weronika Golletz, Krzysztof Sacha·Feb 25, 2025SaveLearn
Berezinskii-Kosterlitz-Thouless Renormalization Group Flow at a Quantum Phase TransitionWe present a controlled numerical study of the Berezinskii-Kosterlitz-Thouless (BKT) transition in the one-dimensional Bose-Hubbard model at unit filling, providing evidence of the characteristic…Matthias Thamm, Harini Radhakrishnan, Hatem Barghathi et al.·Feb 25, 2025SaveLearn
Hartree-Fock approximation for bosons with symmetry-adapted variational wave functionsThe Hartree-Fock approximation for bosons employs variational wave functions that are a combination of permanents. These are bosonic counterpart of the fermionic Slater determinants, but with the…B. R. Que, J. M. Zhang, H. F. Song et al.·Feb 21, 2025SaveLearn
Fermionic free energies from ab initio path integral Monte Carlo simulations of fictitious identical particlesWe combine the recent η-ensemble path integral Monte Carlo (PIMC) approach to the free energy [T.~Dornheim et al., Phys.~Rev.~B 111, L041114 (2025)] with a recent…Tobias Dornheim, Zhandos Moldabekov, Sebastian Schwalbe et al.·Feb 21, 2025SaveLearn
Time-periodic driving of a bath-coupled open quantum gas of lightWe study the frequency-resolved density response of a photon Bose-Einstein condensate coupled to a bath of dye molecules by time-periodic driving. By monitoring the photon number dynamics for…Andris Erglis, Alexander Sazhin, Frank Vewinger et al.·Feb 20, 2025SaveLearn
Emergence of Fermi's Golden Rule in the Probing of a Quantum Many-Body SystemFermi's Golden Rule (FGR) is one of the most impactful formulas in quantum mechanics, providing a link between easy-to-measure observables - such as transition rates - and fundamental microscopic…Jianyi Chen, Songtao Huang, Yunpeng Ji et al.·Feb 20, 2025SaveLearn
Topological phase transition through tunable nearest-neighbor interactions in a one-dimensional latticeWe investigate the phase diagram of a one-dimensional model of hardcore bosons or spinless fermions with tunable nearest-neighbor interactions. By introducing alternating repulsive and attractive…Rajashri Parida, Diptiman Sen, Tapan Mishra·Feb 20, 2025SaveLearn
Spatial and Temporal Periodic Density Patterns in Driven Bose-Einstein CondensatesThe study of collective excitations is a crucial tool for understanding many-body quantum systems. For instance, they play a central role in the exploration of superfluidity and other quantum…A. del Río-Lima, J. A. Seman, R. Jáuregui et al.·Feb 20, 2025SaveLearn
Localization versus incommemsurability for finite boson system in one-dimensional disordered latticeWe explore the effect of disorder on a few-boson system in a finite one-dimensional quasiperiodic potential covering the full interaction ranging from uncorrelated to strongly correlated particles.…Barnali Chakrabarti, Arnaldo Gammal·Feb 20, 2025SaveLearn
Asymptotic Freedom of Two Heavy Impurities in a Bose-Einstein CondensateWe consider two heavy impurities immersed in a Bose-Einstein condensate, and calculate the self-energy using the Wilsonian renormalization. The polaron energy, quasiparticle residue and damping rate…Dong-Chen Zheng, Lin Wen, Renyuan Liao·Feb 19, 2025SaveLearn
Orbital Wigner functions and quantum transport in multiband systemsTraditional theories of electron transport in crystals are based on the Boltzmann equation and do not capture physics arising from quantum coherence. We introduce a transport formalism based on…Johannes Mitscherling, Dan S. Borgnia, SuryaNeil Ahuja et al.·Feb 19, 2025SaveLearn
Theoretical description of atomtronic Josephson junctions in an optical latticeExperimental realizations of ``atomtronic" Josephson junctions have recently been created in annular traps in relative rotation with respect to potential barriers that generate the weak links. If…Manjari Gupta, H. R. Krishnamurthy, J. K. Freericks·Feb 19, 2025SaveLearn
Bell correlations between momentum-entangled pairs of 4He* atomsNonlocal entanglement between pair-correlated particles is a highly counter-intuitive aspect of quantum mechanics, where measurement on one particle can instantly affect the other, regardless of…Y. S. Athreya, S. Kannan, X. T. Yan et al.·Feb 18, 2025SaveLearn
Observation of a zero-energy excitation mode in the open Dicke modelApproaching phase boundaries in many-body systems can give rise to intriguing signatures in their excitation spectra. Here, we explore the excitation spectrum of a Bose-Einstein condensate strongly…Anton Bolian, Phatthamon Kongkhambut, Christoph Georges et al.·Feb 17, 2025SaveLearn