Rotating quantum droplets confined in an anharmonic potentialWe investigate the rotational properties of quantum droplets, which form in a mixture of two Bose-Einstein condensates, in the presence of an anharmonic trapping potential. We identify various phases…S. Nikolaou, G. M. Kavoulakis, M. Ogren·Dec 6, 2023SaveLearn
Full and fractional defects across the Berezinskii-Kosterlitz-Thouless transition in a driven-dissipative spinor quantum fluidWe investigate the properties of a two-dimensional spinor microcavity polariton system driven by a linearly polarised continuous pump. In particular, we establish the role of the elementary…G. Dagvadorj, P. Comaron, M. H. Szymanska·Dec 6, 2023SaveLearn
n-body anti-bunching in a degenerate Fermi gas of 3He* atomsA key observable in investigations into quantum systems are the n-body correlation functions, which provide a powerful tool for experimentally determining coherence and directly probing the…Kieran F. Thomas, Shijie Li, A. H. Abbas et al.·Dec 5, 2023SaveLearn
Arbitrary interaction quench phenomena in harmonically trapped two-body systemsWe consider the evolution of two contact-interacting harmonically-trapped particles following an arbitrary quench in interaction strength. We calculate the post-quench particle separation as a…Alex Kerin, Andy Martin·Dec 5, 2023SaveLearn
Density-wave-type supersolid of two-dimensional tilted dipolar bosonsWe predict a stable density-waves-type supersolid phase of a dilute gas of tilted dipolar bosons in a two-dimensional (2D) geometry. This many-body phase is manifested by the formation of the stripe…A. N. Aleksandrova, I. L. Kurbakov, A. K. Fedorov et al.·Dec 4, 2023SaveLearn
Collective excitation of bosonic quantum Hall stateThe recent developments in the theory of rapidly rotating Bose atoms have been reviewed in this article. Rotation leads to the development of quantized-vortices, that cluster into a vortex array,…Moumita Indra, Sandip Mondal·Dec 4, 2023SaveLearn
Impact of density inhomogeneity on the critical velocity for vortex shedding in a harmonically trapped Bose-Einstein condensateWe report on a numerical study of the critical velocity for creation of quantized vortices by a moving Gaussian obstacle in a trapped Bose-Einstein condensate, modeled by the Gross-Pitaevskii…Haruya Kokubo, Kenichi Kasamatsu·Dec 3, 2023SaveLearn
Single Particle Spectroscopies of p-wave and d-wave Interacting Bose Gases in Normal PhaseMotivated by experiments of interacting quantum gases across high partial wave resonance, we investigated the thermodynamic properties as well as single particle spectrums of Bose gases in normal…Zeqing Wang, Ran Qi·Dec 2, 2023SaveLearn
Two-band atomic superfluidity in the presence of an orbital Feshbach resonanceWe study static superfluid properties of alkali-earth-like Fermi atomic systems in the presence of orbital Feshbach resonance. Using a two-band description of the ground state and excited state and a…Andrew Vincent, Theja N. De Silva·Dec 1, 2023SaveLearn
Universal Energy Functionals for Trapped Fermi Gases in Low DimensionsWe study the system of trapped two-component Fermi gases with zero-range interaction in two dimensions (2D) or one dimension (1D). We calculate the one-particle density matrices of these systems at…Jiansen Zhang, Shina Tan·Dec 1, 2023SaveLearn
Exploring kinetically induced bound states in triangular lattices with ultracold atoms: spectroscopic approachQuantum simulations with ultracold fermions in triangular optical lattices have recently emerged as a new platform for studying magnetism in frustrated systems. Experimental realizations of the Fermi…Ivan Morera, Christof Weitenberg, Klaus Sengstock et al.·Dec 1, 2023SaveLearn
Super Fermi polaron and Nagaoka ferromagnetism in a two-dimesnional square latticeWe consider the Fermi polaron problem of an impurity hopping around a two-dimensional square lattice and interacting with a sea of fermions at given filling factor. When the interaction is…Hui Hu, Jia Wang, Xia-Ji Liu·Dec 1, 2023SaveLearn
General features and contact modeling of N-body isolated resonances near thresholdN-body non efimovian bound or quasi-bound states for particles with short range interactions are considered in arbitrary dimensions. The different resonance regimes near the threshold are depicted…Ludovic Pricoupenko·Nov 30, 2023SaveLearn
Relaxation in dipolar spin ladders: from pair production to false-vacuum decayUltracold dipolar particles pinned in optical lattices or tweezers provide an excellent platform for studying out-of-equilibrium quantum magnetism with dipole-mediated couplings. Starting with an…G. A. Domínguez-Castro, Thomas Bilitewski, David Wellnitz et al.·Nov 29, 2023SaveLearn
Vortex pair dynamics in three-dimensional homogeneous dipolar superfluidsThe static and dynamic properties of vortices in dipolar Bose-Einstein condensates (dBECs) can be considerably modified relative to their nondipolar counterparts by the anisotropic and long-ranged…Srivatsa B. Prasad, Nick G. Parker, Andrew W. Baggaley·Nov 28, 2023SaveLearn
Spectral properties and observables in ultracold Fermi gasesWe calculate non-perturbative self-consistent fermionic and bosonic spectral functions of ultra-cold Fermi gases with the spectral functional approach. This approach allows for a direct real-time…Eugen Dizer, Jan Horak, Jan M. Pawlowski·Nov 28, 2023SaveLearn
A Floquet-Rydberg quantum simulator for confinement in Z2 gauge theoriesRecent advances in the field of quantum technologies have opened up the road for the realization of small-scale quantum simulators of lattice gauge theories which, among other goals, aim at improving…Enrico C. Domanti, Dario Zappalà, Alejandro Bermudez et al.·Nov 28, 2023SaveLearn
Superfluid Fraction and Leggett Bound in a Density Modulated Strongly Interacting Fermi Gas at Zero TemperatureWe calculate the superfluid fraction of an interacting Fermi gas, in the presence of a one-dimensional periodic potential of strength V0 and wave-vector q. Special focus is given to the unitary…Giuliano Orso, Sandro Stringari·Nov 28, 2023SaveLearn
The influence of local correlations on the phase states in the model of semi-hard-core bosons on a square latticeThe work considers a model of charged "semi-hard-core" bosons on a square lattice with a possible filling number at each node, ranging from 0 to 2. Temperature phase diagrams of the model are…V. A. Ulitko, V. V. Konev, A. A. Chikov et al.·Nov 28, 2023SaveLearn
Optically Induced Monopoles, Knots, and Skyrmions in Quantum GasesWe propose, and theoretically analyze, a practical protocol for the creation of topological monopole configurations, quantum knots, and skyrmions in Bose--Einstein condensates by employing fictitious…Toni Annala, Tommi Mikkonen, Mikko Möttönen·Nov 27, 2023SaveLearn
Scale invariance of a spherical unitary Fermi gasA unitary Fermi gas in an isotropic harmonic trap is predicted to show scale and conformal symmetry that have important consequences in its thermodynamic and dynamical properties. By experimentally…Lu Wang, Xiangchuan Yan, Jing Min et al.·Nov 27, 2023SaveLearn
Perspective on new implementations of atomtronic circuitsIn this article, we provide perspectives for atomtronics circuits on quantum technology platforms beyond simple bosonic or fermionic cold atom matter-wave currents. Specifically, we consider (i)…Juan Polo, Wayne J. Chetcuti, Enrico C. Domanti et al.·Nov 27, 2023SaveLearn
Effects of a rotating periodic lattice on coherent quantum states in a ring topology: The case of positive nonlinearityWe study the landscape of solutions of the coherent quantum states in a ring shaped lattice potential in the context of ultracold atoms with an effective positive nonlinearity induced by interatomic…Hongyi Huang, Kunal K. Das·Nov 27, 2023SaveLearn
Effects of a rotating periodic lattice on coherent quantum states in a ring topology: The case of negative nonlinearityWe study the spectrum and stationary states in a ring-shaped lattice potential in the context of ultracold atoms with attractive interatomic interactions. We determine analytical solutions in the…Jonathan Tekverk, Christopher Siebor, Kunal K. Das·Nov 27, 2023SaveLearn
Ring Bose-Einstein condensate in a cavity: Chirality Detection and Rotation SensingRecently, a method has been proposed to detect the rotation of a ring Bose-Einstein condensate, in situ, in real-time and with minimal destruction, using a cavity driven with optical fields carrying…Nalinikanta Pradhan, Pardeep Kumar, Rina Kanamoto et al.·Nov 26, 2023SaveLearn