Self-organized cavity bosons beyond the adiabatic elimination approximationThe long-time behavior of weakly interacting bosons moving in a two-dimensional optical lattice and coupled to a lossy cavity is investigated numerically via the truncated Wigner method, which allows…Giuliano Orso, Jakub Zakrzewski, Piotr Deuar·Dec 16, 2023SaveLearn
Realizing Altermagnetism in Fermi-Hubbard Models with Ultracold AtomsAltermagnetism represents a type of collinear magnetism, that is in some aspects distinct from ferromagnetism and from conventional antiferromagnetism. In contrast to the latter, sublattices of…Purnendu Das, Valentin Leeb, Johannes Knolle et al.·Dec 15, 2023SaveLearn
Dynamic Hysteresis Across a Dissipative Multi-Mode Phase TransitionDissipative phase transitions are characteristic features in open quantum systems. Key signatures are the dynamical switching between different states in the vicinity of the phase transition and the…Marvin Röhrle, Jens Benary, Erik Bernhart et al.·Dec 15, 2023SaveLearn
Magnon Bose-Einstein condensates: from time crystals and quantum chromodynamics to vortex sensing and cosmologyUnder suitable experimental conditions collective spin-wave excitations, magnons, form a Bose-Einstein condensate (BEC) where the spins precess with a globally coherent phase. Bose-Einstein…Jere T. Mäkinen, Samuli Autti, Vladimir B. Eltsov·Dec 15, 2023SaveLearn
Topological atom optics and beyond with knotted quantum wavefunctionsAtom optics demonstrates optical phenomena with coherent matter waves, providing a foundational connection between light and matter. Significant advances in optics have followed the realisation of…Maitreyi Jayaseelan, Joseph D. Murphree, Justin T. Schultz et al.·Dec 15, 2023SaveLearn
Bayesian Optimization for Robust State Preparation in Quantum Many-Body SystemsNew generations of ultracold-atom experiments are continually raising the demand for efficient solutions to optimal control problems. Here, we apply Bayesian optimization to improve a…Tizian Blatz, Joyce Kwan, Julian Léonard et al.·Dec 14, 2023SaveLearn
Universal Coarsening in a Homogeneous Two-Dimensional Bose GasCoarsening of an isolated far-from-equilibrium quantum system is a paradigmatic many-body phenomenon, relevant from subnuclear to cosmological lengthscales, and predicted to feature universal dynamic…Martin Gazo, Andrey Karailiev, Tanish Satoor et al.·Dec 14, 2023SaveLearn
Temperature-induced supersolidity in spin-orbit-coupled Bose gasesClose to the superfluid plane-wave (PW) - supersolid stripe (ST) phase transition point of a zero temperature quasi-one-dimensional spin-orbit-coupled Bose gas, we find that an increase in…Rajat, Ritu, Arko Roy et al.·Dec 14, 2023SaveLearn
Complex-valued in-medium potential between heavy impurities in ultracold atomsWe formulate the induced potential in a finite temperature cold atomic medium between two heavy impurities, or polarons, which is shown to be complex-valued in general. The imaginary part of…Yukinao Akamatsu, Shimpei Endo, Keisuke Fujii et al.·Dec 13, 2023SaveLearn
Comment on "Excitation Spectrum and Superfluid Gap of an Ultracold Fermi Gas"We present simple arguments suggesting that H. Biss et al [PRL 128, 100401 (2022)] did not measure with the required accuracy the low-wavenumber curvature of the acoustic excitation branch of the…Yvan Castin·Dec 13, 2023SaveLearn
Dual-species Bose-Einstein condensates of 23Na and 41K with tunable interactionsWe report the creation of dual-species Bose-Einstein condensates (BECs) of 23Na and 41K. Favorable background scattering lengths enable efficient sympathetic cooling of 41K via forced…Jaeryeong Chang, Sungjun Lee, Yoonsoo Kim et al.·Dec 13, 2023SaveLearn
Atomic topological quantum matter using synthetic dimensionsThe realization of topological states of matter in ultracold atomic gases is currently the subject of intense experimental activity. Using a synthetic dimension, encoded in a non-spatial degree of…Aurélien Fabre, Sylvain Nascimbene·Dec 13, 2023SaveLearn
Chiral Modes of Giant Superfluid VorticesWe discuss rapidly rotating states of a superfluid. We concentrate on the Giant-Vortex (GV) state, which is a coherent rotating solution with a macroscopic hole at the center. We show that, for any…Gabriel Cuomo, Zohar Komargodski, Siwei Zhong·Dec 11, 2023SaveLearn
Superdiffusion of vortices in two-component quantum fluids of lightThe quantum diffusion of a vortex in a two-component quantum fluid of light is investigated. In these systems, the Kerr nonlinearity promotes interactions between the photons, displaying features…M. Roldão, J. L. Figueiredo, P. Monteiro et al.·Dec 11, 2023SaveLearn
Effect of nonzero temperature to condensed fraction of a homogeneous dilute weakly interacting Bose gasWe investigate the effect of non-zero temperature to the condensate fraction of a homogeneous dilute weakly interacting Bose gas in very low-temperature region. Within inproved Hartree-Fock…Nguyen Van Thu, Pham Duy Thanh·Dec 10, 2023SaveLearn
Delocalization in a partially disordered interacting many-body systemWe study a partially disordered one-dimensional system with interacting particles. Concretely, we impose a disorder potential to only every other site, followed by a clean site. Our numerical…Suman Mondal, Fabian Heidrich-Meisner·Dec 8, 2023SaveLearn
Gas-to-soliton transition of attractive bosons on a spherical surfaceWe investigate the ground state properties of N bosons with attractive zero-range interactions characterized by the scattering length a>0 and confined to the surface of a sphere of radius R. We…A. Tononi, G. E. Astrakharchik, D. S. Petrov·Dec 8, 2023SaveLearn
Beyond-mean-field effects in mixtures: few-body and many-body aspectsThe discovery of ultracold dilute liquids has significantly elevated our interest in various phenomena which go under the name of beyond-mean-field (BMF) physics. In these lecture notes we give an…D. S. Petrov·Dec 8, 2023SaveLearn
Momentum-dependent quasiparticle properties of the Fermi polaron from the functional renormalization groupWe study theoretically the lifetimes of attractive and repulsive Fermi polarons, as well as the molecule at finite momentum in three dimensions. To this end, we develop a new technique that allows…Jonas von Milczewski, Richard Schmidt·Dec 8, 2023SaveLearn
First-order, continuous, and multicritical Bose-Einstein condensation in Bose mixturesWe address the possibility of realizing Bose-Einstein condensation as a first-order phase transition by admixture of particles of different species. To this aim we perform a comprehensive analysis of…Pawel Jakubczyk, Krzysztof Myśliwy, Marek Napiórkowski·Dec 8, 2023SaveLearn
Thermomagnetic Anomalies by Magnonic Criticality in Ultracold Atomic TransportWe investigate thermomagnetic transport in an ultracold atomic system with two ferromagnets linked via a magnetic quantum point contact. Using nonequilibrium Green's function approach, we show a…Yuta Sekino, Yuya Ominato, Hiroyuki Tajima et al.·Dec 7, 2023SaveLearn
Quantum slush state in Rydberg atom arraysIn this study, we propose an exotic quantum state which does not order at zero temperature in a Rydberg atom array with antiblockade mechanism. By performing an unbiased large-scale quantum Monte…Tengzhou Zhang, Zi Cai·Dec 7, 2023SaveLearn
Emergence of isotropy in rotating turbulence of Bose-Einstein condensatesWe present a study on the development of rotating turbulence in Bose-Einstein condensates with a dissipative Gross-Pitaevskii model. Turbulence is generated by driving the lattice of quantized…Yuto Sano, Makoto Tsubota·Dec 7, 2023SaveLearn
Dynamics of spin-momentum entanglement from superradiant phase transitionsExploring operational regimes of many-body cavity QED with multi-level atoms remains an exciting research frontier for their enhanced storage capabilities of intra-level quantum correlations. In this…Oksana Chelpanova, Kushal Seetharam, Rodrigo Rosa-Medina et al.·Dec 6, 2023SaveLearn
Excitations of a binary dipolar supersolidWe predict a rich excitation spectrum of a binary dipolar supersolid in a linear crystal geometry, where the ground state consists of two partially immiscible components with alternating,…W. Kirkby, Au-Chen Lee, D. Baillie et al.·Dec 6, 2023SaveLearn