Deconfinement Dynamics of Fractons in Tilted Bose-Hubbard ChainsFractonic constraints can lead to exotic properties of quantum many-body systems. Here, we investigate the dynamics of fracton excitations on top of the ground states of a one-dimensional,…Julian Boesl, Philip Zechmann, Johannes Feldmeier et al.·Nov 14, 2023SaveLearn
Controlling collisional loss and scattering lengths of ultracold dipolar molecules with static electric fieldsTrapped samples of ultracold molecules are often short-lived, because close collisions between them result in trap loss. We investigate the use of shielding with static electric fields to create…Bijit Mukherjee, Jeremy M. Hutson·Nov 14, 2023SaveLearn
Stabilizing an ultracold Fermi gas against Fermi acceleration to superdiffusion through localizationAnderson localization, i.e., destructive quantum interference of multiple-scattering paths, halts transport entirely. Contrarily, time-dependent random forces expedite transport via Fermi…Sian Barbosa, Maximilian Kiefer-Emmanouilidis, Felix Lang et al.·Nov 14, 2023SaveLearn
Two-dimensional non-Hermitian skin effect in an ultracold Fermi gasThe concept of non-Hermiticity has expanded the understanding of band topology leading to the emergence of counter-intuitive phenomena. One example is the non-Hermitian skin effect (NHSE), which…Entong Zhao, Zhiyuan Wang, Chengdong He et al.·Nov 14, 2023SaveLearn
Bright solitons in a spin-orbit-coupled dipolar Bose-Einstein condensate trapped within a double-latticeBy effectively controlling the dipole-dipole interaction, we investigate the characteristics of the ground state of bright solitons in a spin-orbit coupled dipolar Bose-Einstein condensate. The…Qi Wang, Jieli Qin, Junjie Zhao et al.·Nov 14, 2023SaveLearn
Entanglement and correlations in an exactly-solvable model of a Bose-Einstein condensate in a cavityAn exactly solvable model of a trapped interacting Bose-Einstein condensate (BEC) coupled in the dipole approximation to a quantized light mode in a cavity is presented. The model can be seen as a…Ofir E. Alon, Lorenz S. Cederbaum·Nov 14, 2023SaveLearn
Engineering of a Low-Entropy Quantum Simulator for Strongly Correlated Electrons Using SU(N)-Symmetric Cold Atom MixturesAn advanced cooling scheme, incorporating entropy engineering, is vital for isolated artificial quantum systems designed to emulate the low-temperature physics of strongly correlated electron systems…Daisuke Yamamoto, Katsuhiro Morita·Nov 14, 2023SaveLearn
Domain formation and universally critical dynamics through phase separation in two-component Bose-Einstein condensatesWe explore the defect formation and universally critical dynamics in two-dimensional (2D) two-component Bose-Einstein condensates(BECs) subjected to two types of potential traps: a homogeneous trap…Yikai Ji, Xizhou Qin, Bin Liu et al.·Nov 14, 2023SaveLearn
What can we learn from diffusion about Anderson localization of a degenerate Fermi gas?Disorder can fundamentally modify the transport properties of a system. A striking example is Anderson localization, suppressing transport due to destructive interference of propagation paths. In…Sian Barbosa, Maximilian Kiefer-Emmanouilidis, Felix Lang et al.·Nov 13, 2023SaveLearn
Bound Bogoliubov quasiparticles in photon superfluidsBogoliubov's description of Bose gases relies on the linear dynamics of noninteracting quasiparticles on top of a homogeneous condensate. Here, we theoretically explore the weakly-nonlinear…Marzena Ciszak, Francesco Marino·Nov 13, 2023SaveLearn
Sine-Gordon dynamics in spin transportWe study spin transport in a one-dimensional finite-length wire connected to fermionic leads. The interacting wire is described by the sine-Gordon model while the leads are either noninteracting or…A. -M. Visuri·Nov 12, 2023SaveLearn
Ground-state phase diagram of two-component interacting bosons on a two-leg ladderUsing the cluster Gutzwiller mean-field method, we numerically study the ground-state phase diagram of the non-hard-core two-component interacting bosons trapped in a two-leg ladder with and without…Po Chen, Chenrong Liu·Nov 12, 2023SaveLearn
Adiabatically compressing chiral p-wave Bose-Einstein condensates into the lowest landau levelThere has been much recent progress in controlling p-orbital degrees of freedom in optical lattices, for example with lattice shaking, sublattice swapping, and lattice potential programming. Here,…Xinyang Yu, Xingze Qiu, Xiaopeng Li·Nov 12, 2023SaveLearn
Vortex depinning in a two-dimensional superfluidWe employ the Gross--Pitaevskii theory to model a quantized vortex depinning from a small obstacle in a two-dimensional superfluid due to an imposed background superfluid flow. We find that, when the…I-Kang Liu, Srivatsa B. Prasad, Andrew W. Baggaley et al.·Nov 11, 2023SaveLearn
Non-Hermitian Skin Effect in Periodically-Driven Dissipative Ultracold AtomsThe non-Hermitian skin effect (NHSE), featured by the collapse of bulk-band eigenstates into the localized boundary modes of the systems, is one of most striking properties in the fields of…Zhao-Fan Cai, Tao Liu, Zhongmin Yang·Nov 11, 2023SaveLearn
Angular-momentum modes in a bosonic condensate trapped in the inverse-square potentialIn the mean-field approximation, the well-known effect of the critical quantum collapse in a 3D gas of particles pulled to the center by potential U(r) = -U0/r2 is suppressed by repulsive…Hidetsugu Sakaguchi, Boris A. Malomed·Nov 11, 2023SaveLearn
Phase separation of a repulsive two-component Fermi gas at the two- to three-dimensional crossoverWe present a theoretical analysis of phase separations between two repulsively interacting components in an ultracold fermionic gas, occurring at the dimensional crossover in a harmonic trap with…Piotr T. Grochowski, Martin-Isbjörn Trappe, Tomasz Karpiuk et al.·Nov 10, 2023SaveLearn
Spontaneous dipolar Bose-Einstein condensation on the surface of a cylinderWe demonstrate the spontaneous formation of a Bose-Einstein condensate (BEC) of strongly-bound harmonically-trapped dipolar 164Dy atoms on the outer curved surface of an elliptical or a circular…Luis E. Young-S., S. K. Adhikari·Nov 10, 2023SaveLearn
Particle and pair spectra for strongly correlated Fermi gases: A real-frequency solverThe strongly attractive Fermi gas in the BCS-BEC crossover is efficiently described in terms of coupled fermions and fermion pairs, or molecules. We compute the spectral functions of both fermions…Tilman Enss·Nov 9, 2023SaveLearn
Stabilizing persistent currents in an atomtronic Josephson junction necklaceArrays of Josephson junctions are at the forefront of research on quantum circuitry for quantum computing, simulation and metrology. They provide a testing bed for exploring a variety of fundamental…Luca Pezzè, Klejdja Xhani, Cyprien Daix et al.·Nov 9, 2023SaveLearn
Bose-Einstein condensation in systems with flux equilibriumWe consider flux equilibrium in dissipative nonlinear wave systems subject to external energy pumping. In such systems, the elementary excitations, or quasiparticles, can create a Bose-Einstein…Victor S. L'vov, Anna Pomyalov, Sergey V. Nazarenko et al.·Nov 9, 2023SaveLearn
Squeezing Bose-Bose liquid dropsWe explore ultradilute Bose-Bose liquid droplets squeezed by an external harmonic potential in one spatial direction. Our theoretical study is based on a functional that is built using quantum Monte…A. Sanuy, R. Barač, P. Stipanović et al.·Nov 9, 2023SaveLearn
Predicting Bubble Fragmentation in SuperfluidsIn classical fluids, the Weber number is a dimensionless parameter that characterises the flow of a multi-phase fluid. The superfluid analogy of a classical multi-phase fluid can be realised in a…Jake McMillan, Thomas A Flynn, Ryan Doran·Nov 8, 2023SaveLearn
Time evolution of coherent wave propagation and spin relaxation in spin-orbit coupled systemsWe investigate, both numerically and analytically, the time evolution of a particle in an initial plane wave state as it is subject to elastic scattering in a two-dimensional disordered system with…Masataka Kakoi, Keith Slevin·Nov 8, 2023SaveLearn
A quantum Monte Carlo based density functional for Dysprosium dipolar systemWe present a quantum Monte Carlo based density functional to describe droplet formation and supersolidity in dipolar systems. The usual Lee-Huang-Yang term, accounting for quantum correlations in the…Raúl Bombín, Viktor Cikojević, Ferran Mazzanti et al.·Nov 8, 2023SaveLearn