Dynamical characterization of Z2 Floquet topological phases via quantum quenchesThe complete characterization of a generic d-dimensional Floquet topological phase is usually hard for the requirement of information about the micromotion throughout the entire driving period. In…Lin Zhang·Oct 31, 2023SaveLearn
Emergent topological ordered phase for the Ising-XY Model revealed by cluster-updating Monte-Carlo methodThe two-component cold atom systems with anisotropic hopping amplitudes can be phenomenologically described by a two-dimensional Ising-XY coupled model with spatial anisotropy. At low temperatures,…Heyang Ma, Wanzhou Zhang, Yanting Tian et al.·Oct 31, 2023SaveLearn
Trapped Bose-Einstein condensates with nonlinear coherent modesThe review presents the methods of generation of nonlinear coherent excitations in strongly nonequilibrium Bose-condensed systems of trapped atoms and their properties. Non-ground-state Bose-Einstein…V. I. Yukalov, E. P. Yukalova, V. S. Bagnato·Oct 31, 2023SaveLearn
Merging Dipolar Supersolids in a Double-Well PotentialWe theoretically investigate the merging behaviour of two identical supersolids through dipolar Bose-Einstein condensates confined within a double-well potential. By adiabatically tuning the barrier…Hui Li, Eli Halperin, Shai Ronen et al.·Oct 30, 2023SaveLearn
Nonuniform Bose-Einstein condensate. I. An improvement of the Gross-Pitaevskii methodA nonuniform condensate is usually described by the Gross-Pitaevskii (GP) equation, which is derived with the help of the c-number ansatz Ψ(r,t)=Ψ(r,t). Proceeding from a…Maksim Tomchenko·Oct 27, 2023SaveLearn
Synthetic dimension-induced pseudo Jahn-Teller effect in one-dimensional confined fermionsWe demonstrate the failure of the adiabatic Born-Oppenheimer approximation to describe the ground state of a quantum impurity within an ultracold Fermi gas despite substantial mass differences…André Becker, Georgios M. Koutentakis, Peter Schmelcher·Oct 27, 2023SaveLearn
Coherent excitation transport through ring-shaped networksThe coherent quantum transport of matter wave through a ring-shaped circuit attached to leads defines an iconic system in mesoscopic physics that has allowed both to explore fundamental questions in…Francesco Perciavalle, Oliver Morsch, Davide Rossini et al.·Oct 27, 2023SaveLearn
Strongly anisotropic vortices in dipolar quantum dropletsWe construct strongly anisotropic quantum droplets with embedded vorticity in the 3D space, with mutually perpendicular vortex axis and polarization of atomic magnetic moments. Stability of these…Guilong Li, Zibin Zhao, Xunda Jiang et al.·Oct 27, 2023SaveLearn
Competing magnetic orders in a bilayer Hubbard model with ultracold atomsFermionic atoms in optical lattices have served as a compelling model system to study and emulate the physics of strongly-correlated matter. Driven by the advances of high-resolution microscopy, the…Marcell Gall, Nicola Wurz, Jens Samland et al.·Oct 27, 2023SaveLearn
Quantum beat spectroscopy of repulsive Bose polaronsThe physics of impurities in a bosonic quantum environment is a paradigmatic and challenging many-body problem that remains to be understood in its full complexity. Here, this problem is investigated…A. M. Morgen, S. S. Balling, K. Knakkergaard Nielsen et al.·Oct 27, 2023SaveLearn
Prospects for thermalization of microwave-shielded ultracold moleculesWe study anisotropic thermalization in dilute gases of microwave shielded polar molecular fermions. For collision energies above the threshold regime, we find that thermalization is suppressed due to…Reuben R. W. Wang, John L. Bohn·Oct 26, 2023SaveLearn
Scale-invariant phase transition of disordered bosons in one dimensionThe disorder-induced quantum phase transition between superfluid and non-superfluid states of bosonic particles in one dimension is generally expected to be of the Berezinskii-Kosterlitz-Thouless…Tanul Gupta, Guido Masella, Francesco Mattiotti et al.·Oct 26, 2023SaveLearn
The role of atomic interactions in cavity-induced continuous time crystalsWe consider continuous time-crystalline phases in dissipative many-body systems of atoms in cavities, focusing on the role of short-range interatomic interactions. First, we show that the latter can…Christian H. Johansen, Johannes Lang, Francesco Piazza·Oct 25, 2023SaveLearn
Non-equilibrium Dynamics of Vortices in Two-Dimensional Quantum Gases: Determining the Dynamical Scaling Region Using the Mahalanobis DistanceWhen a two-dimensional system undergoes a rapid quench from a disordered to an ordered phase, it does not order instantly but instead relaxes towards equilibrium over time. During this relaxation,…Richard Tattersall, Andrew Baggaley, Thomas Billam·Oct 25, 2023SaveLearn
Propagation of light in cold emitter ensembles with quantum position correlations due to static long-range dipolar interactionsWe analyze the scattering of light from dipolar emitters whose disordered positions exhibit correlations induced by static, long-range dipole-dipole interactions. The quantum-mechanical position…G. J. Bean, N. D. Drummond, J. Ruostekoski·Oct 24, 2023SaveLearn
Dynamical Spectral Response of Fractonic Quantum MatterQuantum many-body systems with fractonic excitations can realize fascinating phases of matter. Here, we study the low-energy excitations of a constrained Bose-Hubbard model in one dimension, which…Philip Zechmann, Julian Boesl, Johannes Feldmeier et al.·Oct 24, 2023SaveLearn
Machine-learning the phase diagram of a strongly-interacting Fermi gasWe determine the phase diagram of strongly correlated fermions in the crossover from Bose-Einstein condensates of molecules (BEC) to Cooper pairs of fermions (BCS) utilizing an artificial neural…M. Link, K. Gao, A. Kell et al.·Oct 24, 2023SaveLearn
Detecting the phase transition in a strongly-interacting Fermi gas by unsupervised machine learningWe study the critical temperature of the superfluid phase transition of strongly-interacting fermions in the crossover regime between a Bardeen-Cooper-Schrieffer (BCS) superconductor and a…D. Eberz, M. Link, A. Kell et al.·Oct 24, 2023SaveLearn
Characterizing dynamical phase transitions in a spinor Bose-Einstein condensate via quantum and semiclassical analysesPhase transitions in nonequilibrium dynamics of many body quantum systems,the so-called dynamical phases transition (DPTs), play an important role for understanding various dynamical phenomena…Zhen-Xia Niu, Qian Wang·Oct 24, 2023SaveLearn
O(1) benchmarking of precise rotation in a spin-squeezed Bose-Einstein condensateBenchmarking a high-precision quantum operation is a big challenge for many quantum systems in the presence of various noises as well as control errors. Here we propose an O(1) benchmarking of a…Peng Du, Hui Tang, Jun Zhang et al.·Oct 24, 2023SaveLearn
Quench-induced spontaneous currents in rings of ultracold fermionic atomsWe have observed the spontaneous appearance of currents in a ring of ultracold fermionic atoms (6Li) with attractive interactions, following a quench to a BCS-like pair superfluid. We have measured…Daniel G. Allman, Parth Sabharwal, Kevin C. Wright·Oct 23, 2023SaveLearn
Exact solutions and Dynamical phase transitions in the Lipkin-Meshkov-Glick model with Dual nonlinear interactionsLipkin-Meshkov-Glick (LMG) model is paradigmatic to study quantum phase transition in equilibrium or non-equilibrium systems and entanglement dynamics in a variety of disciplines. The generic LMG…Dongyang Yu·Oct 22, 2023SaveLearn
Observation and quantification of pseudogap in unitary Fermi gasesThe nature of pseudogap lies at the heart of strongly-interacting superconductivity and superfluidity. With known pairing interactions, unitary Fermi gases provide an ideal testbed to verify whether…Xi Li, Shuai Wang, Xiang Luo et al.·Oct 21, 2023SaveLearn
On quantum melting of superfluid vortex crystals: from Lifshitz scalar to dual gravityDespite a long history of studies of vortex crystals in rotating superfluids, their melting due to quantum fluctuations is poorly understood. Here we develop a fracton-elasticity duality to…Dung Xuan Nguyen, Sergej Moroz·Oct 20, 2023SaveLearn
Acoustic horizon as a phase-slip surfaceA recent experiment has demonstrated formation of a supersonic region in a convergent two-dimensional flow of a condensate of cesium atoms. Theoretical description of this effect has made use of…Sergei Khlebnikov·Oct 19, 2023SaveLearn