Stability of quasicrystalline ultracold fermions to dipolar interactionsQuasiperiodic potentials can be used to interpolate between localization and delocalization in one dimension. With the rise of optical platforms engineering dipolar interactions, a key question is…Paolo Molignini·Mar 7, 2024SaveLearn
Effect of trap imperfections on the density of a quasi-two-dimensional uniform dipolar quantum Bose gasWe theoretically investigate the impact of weak static perturbations of a flat potential on the density of a quasi-two-dimensional dipolar Bose gas. We consider the perturbative effects of potential…Thibault Bourgeois, Lauriane Chomaz·Mar 7, 2024SaveLearn
Observation of Nonlinear Response and Onsager Regression in a Photon Bose-Einstein CondensateThe quantum regression theorem states that the correlations of a system at two different times are governed by the same equations of motion as the temporal response of the average values. Such a…Alexander Sazhin, Vladimir N. Gladilin, Andris Erglis et al.·Mar 7, 2024SaveLearn
Anisotropy-driven magnetic phase transitions in SU(4)-symmetric Fermi gas in three-dimensional optical latticesWe study SU(4)-symmetric ultracold fermionic mixture in the cubic optical lattice with the variable tunneling amplitude along one particular crystallographic axis in the crossover region from the…Vladyslav Unukovych, Andrii Sotnikov·Mar 7, 2024SaveLearn
Fate of the Mollow triplet in strongly-coupled atomic arraysSubwavelength arrays of quantum two-level emitters have emerged as an interesting platform displaying prominent collective effects that can be harnessed for applications. Here we study such arrays…Orazio Scarlatella, Nigel R. Cooper·Mar 6, 2024SaveLearn
Observation of counterflow superfluidity in a two-component Mott insulatorThe counterflow superfluidity (CSF) was predicted two decades ago. Counterintuitively, while both components in the CSF have fluidity, their correlated counterflow currents cancel out leading the…Yong-Guang Zheng, An Luo, Ying-Chao Shen et al.·Mar 6, 2024SaveLearn
Exploring Quantum Phases of Dipolar Gases through Quasicrystalline ConfinementThe effects of frustration on extended supersolid states is a largely unexplored subject in the realm of cold-atom systems. In this work, we explore the impact of quasicrystalline lattices on the…Vinicius Zampronio, Alejandro Mendoza-Coto, Tommaso Macrì et al.·Mar 5, 2024SaveLearn
Nonlinear Thouless Pumping of Solitons Across an ImpurityThe nonlinear Thouless pumping is an exciting frontier of topological physics. While recent works have revealed the quantized motion of solitons in Thouless pumps, the interplay between the topology,…Xuzhen Cao, Chunyu Jia, Ying Hu et al.·Mar 5, 2024SaveLearn
Ab initio simulation of the universal properties of unitary Fermi gas in a harmonic trapChang and Bertsch [Phys. Rev. A 76, 021603(R) (2007)] proposed a simple formula for the ground state energy of a unitary Fermi gas in a harmonic trap, based on their Green's function Monte Carlo…Yunuo Xiong, Hongwei Xiong·Mar 5, 2024SaveLearn
Enhanced many-body quantum scars from the non-Hermitian Fock skin effectIn contrast with extended Bloch waves, a single particle can become spatially localized due to the so-called skin effect originating from non-Hermitian pumping. Here we show that in…Ruizhe Shen, Fang Qin, Jean-Yves Desaules et al.·Mar 4, 2024SaveLearn
Signature of localization-delocalization in collisional inhomogeneous spin-orbit coupled condensatesWe study the localization transition in spin-orbit (SO) coupled binary Bose-Einstein condensates (BECs) with collisional inhomogeneous interaction trapped in a one-dimensional quasiperiodic…Swarup K. Sarkar, Rajamanickam Ravisankar, Tapan Mishra et al.·Mar 4, 2024SaveLearn
Semi-vortex solitons and their excited states in spin-orbit-coupled binary bosonic condensatesIt is known that two-dimensional two-component fundamental solitons of the semi-vortex (SV) type, with vorticities (s+,s-)=(0,1) in their components, are stable ground states (GSs) in the…Haiming Deng, Jinqing Li, Zhaopin Chen et al.·Mar 3, 2024SaveLearn
Two Ultracold Atoms in a Quasi-Two-Dimensional Box ConfinementWe investigate the scattering and two-body bound states of two ultracold atoms in a quasi-two-dimensional (quasi-2D) confinement, with the confinement potential being an infinite square well (box…Fan Yang, Ruijie Du, Ran Qi et al.·Mar 1, 2024SaveLearn
Chaos-assisted Turbulence in Spinor Bose-Einstein CondensatesWe present a turbulence-sustaining mechanism in a spinor Bose-Einstein condensate, which is based on the chaotic nature of internal spin dynamics. Magnetic driving induces a complete chaotic…Jongmin Kim, Jongheum Jung, Junghoon Lee et al.·Mar 1, 2024SaveLearn
Bogoliubov phonons in a Bose-Einstein condensate from the one-loop perturbative renormalization groupWilson's renormalization-group approach to the weakly-interacting single-component Bose gas is discussed within the symmetry-broken, condensate phase. Extending upon the work by Bijlsma and Stoof…Niklas Rasch, Aleksandr N. Mikheev, Thomas Gasenzer·Feb 29, 2024SaveLearn
Quasi-superfluid and Quasi-Mott phases of strongly interacting bosons in shallow optical latticeWe explore the ground states of strongly interacting bosons in the vanishingly small and weak lattices using the multiconfiguration time-dependent Hartree method for bosons (MCTDHB) which calculate…Subhrajyoti Roy, Rhombik Roy, Arnaldo Gammal et al.·Feb 29, 2024SaveLearn
Selective Rotation and Attractive Persistent Currents in Anti-Dipolar Ring SupersolidsA repulsively interacting Bose-Einstein condensate on a ring is well known to show persistent currents. For attractive interactions, however, a bound state may form that renders the rotation…K. Mukherjee, T. Arnone Cardinale, S. M. Reimann·Feb 29, 2024SaveLearn
Quantum droplets with magnetic vortices in spinor dipolar Bose-Einstein condensatesMotivated by the recent experimental realization of a Bose-Einstein condensate (BEC) of europium atoms, we investigate the self-bound droplet state of a europium BEC with spin degrees of freedom.…Shaoxiong Li, Hiroki Saito·Feb 29, 2024SaveLearn
Dynamic instabilities and turbulence of merged rotating Bose-Einstein condensatesWe present the simulation results of merging harmonically confined rotating Bose-Einstein condensates in two dimensions. Merging of the condensate is triggered by positioning the rotation axis at the…Anirudh Sivakumar, Pankaj Kumar Mishra, Ahmad A. Hujeirat et al.·Feb 28, 2024SaveLearn
Many-body perturbation theory for strongly correlated effective Hamiltonians using effective field theory methodsIntroducing low-energy effective Hamiltonians is usual to grasp most correlations in quantum many-body problems. For instance, such effective Hamiltonians can be treated at the mean-field level to…Raphaël Photopoulos, Antoine Boulet·Feb 27, 2024SaveLearn
Expansion dynamics of Bose-Einstein condensates in a synthetic magnetic fieldWe investigate the expansion dynamics of spin-orbit-coupled Bose-Einstein condensates subjected to a synthetic magnetic field, after their release from an external harmonic trap. Our findings reveal…Juan Wang, Hongguang Liang, Yan Li et al.·Feb 27, 2024SaveLearn
Few-body bound topological and flat-band states in a Creutz LadderWe investigate the properties of few interacting bosons in a Creutz ladder, which has become a standard model for topological systems, and which can be realised in experiments with cold atoms in…Gerard Pelegrí, Stuart Flannigan, Andrew J. Daley·Feb 27, 2024SaveLearn
Exploring the Strongly-Interacting Regime of Effective Multi-Body Interactions in a Trapped Ultracold Atom SystemA two-body interaction or force between quantum particles is ubiquitous in nature, and the microscopic description in terms of the bare two-body interaction is the basis for quantitatively describing…Kantaro Honda, Yosuke Takasu, Yuki Haruna et al.·Feb 26, 2024SaveLearn
Feasibility analysis of a proposed test of quantum gravity via novel optical magnetometry in xenonWe present an analysis of the sensitivity limits of a proposed experimental search for quantum gravity, using a novel approach based on optical magnetometry in the noble gas isotope 129Xe. The…James Maldaner, Mitja Fridman, Saurya Das et al.·Feb 26, 2024SaveLearn
Ultracold atomic spin mixtures in ultrastable magnetic field environmentsUltracold atomic spin mixtures develop rich and intriguing magnetic properties when an external radiation coherently couples different spin states. In particular, the coupled mixture may acquire a…Riccardo Cominotti, Chiara Rogora, Alessandro Zenesini et al.·Feb 26, 2024SaveLearn