The rise and fall of patterns in driven-dissipative Rydberg polaritonsSpatial structures commonly emerge in interacting nonlinear systems. In this study, we focus on the out-of-equilibrium dynamics of the recently-established platform of Rydberg exciton-polaritons,…H. Alaeian, V. Walther·Nov 25, 2023SaveLearn
Ground states of one-dimensional dipolar lattice bosons at unit fillingRecent experiments on ultracold dipoles in optical lattices open exciting possibilities for the quantum simulation of extended Hubbard models. When considered in one dimension, these models present…Mateusz Łącki, Henning Korbmacher, G. A. Domínguez-Castro et al.·Nov 24, 2023SaveLearn
Quantum transport in an environment parametrized by dispersive bosonsWe generalize the two-channel (Edwards) fermion-boson model describing quantum transport in a background medium to the more realistic case of dispersive bosons. Using the variational exact…Monodeep Chakraborty, Holger Fehske·Nov 24, 2023SaveLearn
Exploring beyond-mean-field logarithmic divergences in Fermi-polaron energyWe perform a diagrammatic analysis of the energy of a mobile impurity immersed in a strongly interacting two component Fermi gas to second order in the impurity-bath interaction. These corrections…Ragheed Alhyder, Frédéric Chevy, Xavier Leyronas·Nov 24, 2023SaveLearn
Quantum frustrated Wigner chainsA Wigner chain in a periodic potential is a paradigmatic example of geometric frustration with long-range interactions. The dynamics emulates the Frenkel-Kontorova model with Coulomb interactions. In…Raphaël Menu, Jorge Yago Malo, Vladan Vuletić et al.·Nov 24, 2023SaveLearn
Local temperature control of magnon frequency and direction of supercurrents in a magnon Bose-Einstein condensateThe creation of temperature variations in magnetization, and hence in the frequencies of the magnon spectrum in laser-heated regions of magnetic films, is an important method for studying…Matthias R. Schweizer, Franziska Kühn, Victor S. L'vov et al.·Nov 24, 2023SaveLearn
Anisotropy-induced Coulomb phase and quasiparticle zoo in the atomic monopole-spin hybrid systemQuantum simulation of a monopole-spin hybrid system is performed on basis of a dipolar ultracold gas in a ladder lattice. The site-occupation states of the dipolar ladder lattice gas can…Shao-Jun Li, Xiang Gao, Xue-Ting Fang et al.·Nov 24, 2023SaveLearn
Flux enhanced localization and reentrant delocalization in the quench dynamics of two interacting bosons on a Bose-Hubbard ladderWe study the quench dynamics of two bosons possessing onsite repulsive interaction on a two-leg ladder and show that the presence of uniform flux piercing through the plaquettes of the ladder favors…Mrinal Kanti Giri, Biswajit Paul, Tapan Mishra·Nov 23, 2023SaveLearn
Critical temperature and thermodynamic properties of a homogeneous dilute weakly interacting Bose gas within the improved Hartree-Fock approximation at finite temperatureBy means of Cornwall-Jackiw-Tomboulis effective action approach we investigate a homogeneous dilute weakly interacting Bose gas at finite temperature in vicinity of critical region. A longstanding…Nguyen Van Thu, Pham Duy Thanh·Nov 23, 2023SaveLearn
Supercurrent-carrying supersolid in spin-orbit-coupled Bose-Einstein condensatesOne of brilliant achievements in spin-orbit-coupled Bose-Einstein condensates is the discovery and observation of the supersolid stripe states. So far, all studied supersolid stripe states do not…Hao Lyu, Yuanyuan Chen, Qizhong Zhu et al.·Nov 23, 2023SaveLearn
Driven-Dissipative Bose-Einstein Condensation and the Upper Critical DimensionDriving and dissipation can stabilize Bose-Einstein condensates. Using Keldysh field theory, we analyze this phenomenon for Markovian systems that can comprise on-site two-particle driving, on-site…Yikang Zhang, Thomas Barthel·Nov 22, 2023SaveLearn
Conformal maps and superfluid vortex dynamics on curved and bounded surfaces: the case of an elliptical boundaryRecent advances in cold-atom platforms have made real-time dynamics accessible, renewing interest in the motion of superfluid vortices in two-dimensional domains. Here we show that the energy and the…Matteo Caldara, Andrea Richaud, Pietro Massignan et al.·Nov 22, 2023SaveLearn
Temporal bistability in the dissipative Dicke-Bose-Hubbard systemWe consider a driven-dissipative system consisting of an atomic Bose-Einstein condensates loaded into a two-dimensional Hubbard lattice and coupled to a single mode of an optical cavity. Due to the…Tianyi Wu, Sayak Ray, Johann Kroha·Nov 22, 2023SaveLearn
Fractonic Quantum Quench in Dipole-constrained BosonsWe investigate the quench dynamics in the dipolar Bose-Hubbard model (DBHM) in one dimension. The boson hopping is constrained by dipole conservation and show fractonic dynamics. The ground states at…Yun-Tak Oh, Jung Hoon Han, Hyun-Yong Lee·Nov 22, 2023SaveLearn
Magnonic spin current shot noise in an itinerant Fermi gasSpin transport phenomena at strongly-correlated interfaces play central roles in fundamental physics as well as spintronic applications. To anatomize spin-transport carriers, we propose the detection…Tingyu Zhang, Hiroyuki Tajima, Haozhao Liang·Nov 21, 2023SaveLearn
A One-Dimensional Electron Gas Coupled to LightThe prospect of using light to probe or manipulate quantum materials has become an active area of interest. Here, we investigate a quantum wire -- treated as a finite-sized one-dimensional electron…Victor Bradley, Kamal Sharma, Mohammad Hafezi et al.·Nov 20, 2023SaveLearn
Spectroscopy of elementary excitations from quench dynamics in a dipolar XY Rydberg simulatorWe use a Rydberg quantum simulator to demonstrate a new form of spectroscopy, called quench spectroscopy, which probes the low-energy excitations of a many-body system. We illustrate the method on a…Cheng Chen, Gabriel Emperauger, Guillaume Bornet et al.·Nov 20, 2023SaveLearn
Correlation Effects in a Trapped Bose-Fermi Mixture: Exact ResultsMany-body properties of a fermionic impurity embedded in a Bose-Einstein condensate are analyzed analytically using a solvable model, the harmonic-interaction model for Bose-Fermi mixtures. The…Ofir E. Alon, Lorenz S. Cederbaum·Nov 20, 2023SaveLearn
Spectral function of Fermi polarons at finite temperature from a self-consistent many-body T-matrix approach in real frequencyWe theoretically examine the finite-temperature spectral function of Fermi polarons in three dimensions, by using a self-consistent many-body T-matrix theory in real frequency. In comparison with…Hui Hu, Xia-Ji Liu·Nov 20, 2023SaveLearn
Acoustic Analogues of Extremal Rotating Black Holes in Exciton-Polariton CondensatesWe theoretically investigate the acoustic analogues of high-angular-momentum rotating black holes in exciton-polariton condensates. Performing numerical simulations of a long-lived ring-shaped…Anton Svetlichnyi, Andrii Chaika, Alexander Yakimenko·Nov 18, 2023SaveLearn
Quantum phases of hardcore bosons with repulsive dipolar density-density interactions on two-dimensional latticesWe analyse the ground-state quantum phase diagram of hardcore Bosons interacting with repulsive dipolar potentials. The bosons dynamics is described by the extended-Bose-Hubbard Hamiltonian on a…J. A. Koziol, G. Morigi, K. P. Schmidt·Nov 17, 2023SaveLearn
Dimensional Crossover in a Quantum Gas of LightThe dimensionality of a system profoundly influences its physical behaviour, leading to the emergence of different states of matter in many-body quantum systems. In lower dimensions, fluctuations…Kirankumar Karkihalli Umesh, Julian Schulz, Julian Schmitt et al.·Nov 17, 2023SaveLearn
Projection Optimization Method for Open-Dissipative Quantum Fluids and its Application to a Single Vortex in a Photon Bose-Einstein CondensateOpen dissipative systems of quantum fluids have been well studied numerically. In view of a complementary analytical description we extend here the variational optimization method for Bose-Einstein…Joshua Krauß, Marcos Alberto Gonçalves dos Santos Filho, Francisco Ednilson Alves dos Santos et al.·Nov 16, 2023SaveLearn
Thermally stable p-wave repulsive Fermi polaron without a two-body bound stateWe theoretically investigate the polaron physics of an impurity immersed in a two-dimensional Fermi sea, interacting via a p-wave interaction at finite temperature. In the unitary limit with a…Hui Hu, Jia Wang, Xia-Ji Liu·Nov 16, 2023SaveLearn
Unravelling Interaction and Temperature Contributions in Unpolarized Trapped Fermionic Atoms in the BCS RegimeIn the BCS limit density profiles for unpolarized trapped fermionic clouds of atoms are largely featureless. Therefore, it is a delicate task to analyze them in order to quantify their respective…Sejung Yong, Sian Barbosa, Jennifer Koch et al.·Nov 15, 2023SaveLearn