Interaction-Induced Dimensional Crossover through Full 3D to 1DThe exploration of dimensional crossover carries profound fundamental significance, serving as a crucial bridge in comprehending the remarkable disparities observed in transitional phenomena across…Tao Yu, Xiaoran Ye, Zhaoxin Liang·Mar 20, 2024SaveLearn
Recent advances in the theory of the BCS-BEC crossover for fermionic superfluidityThe BCS-BEC crossover realized experimentally with ultra-cold Fermi gases may be considered as one of the important scientific achievements occurred during the last several years. The flexibility for…Giancarlo Calvanese Strinati·Mar 19, 2024SaveLearn
The transition and coexistence of quantum droplets and solitons in quasi-1D dipolar Bose gasIn our study, we investigated bright solitons, dark solitons, and quantum droplets in quasi-one-dimensional dipolar Bose gases, and further validated the crossover and coexistence of quantum droplets…Y. Y. Shi·Mar 18, 2024SaveLearn
Suppression of the superfluid Kelvin-Helmholtz instability due to massive vortex cores, friction and confinementWe characterize the dynamical instability responsible for the breakdown of regular rows and necklaces of quantized vortices that appear at the interface between two superfluids in relative motion.…Matteo Caldara, Andrea Richaud, Massimo Capone et al.·Mar 18, 2024SaveLearn
Ultracold dipolar bosons trapped in atomtronic circuitsWe consider a ring-shaped triple-well potential with few polar bosons with in-plane dipole orientation. By diagonalizing the extended Bose-Hubbard Hamiltonian, we investigate the ground state…Marc Rovirola, Héctor Briongos-Merino, Bruno Juliá-Díaz et al.·Mar 18, 2024SaveLearn
Shape and size measurements of nonequilibrium Bose-Einstein condensates using image processingBose-Einstein condensates have been the subject of intense research in recent years due to their potential applications in quantum computing and many other areas. However, measuring the shape and…J. P. G. Venassi, V. S. Bagnato, G. D. Telles·Mar 18, 2024SaveLearn
Dynamical Fermionization and Emergent Bethe Rapidity Structure in the Spatial Density of Cold quenched Lieb-Liniger gasWe demonstrate that the nonequilibrium spatial density of a one-dimensional interacting Bose gas, following a geometric quench, directly encodes information about the underlying momentum (rapidity)…Sumita Datta, James M Rejcek, Rajasee Datta et al.·Mar 17, 2024SaveLearn
Expansion of strongly interacting dipolar bosons in 1D optical latticesWe numerically study the expansion dynamics of initially localized dipolar bosons in a homogeneous 1D optical lattice for different initial states. Comparison is made to interacting bosons with…Rhombik Roy, Andrea Trombettoni, Barnali Chakrabarti·Mar 16, 2024SaveLearn
Ion solvation in atomic baths: from snowballs to polaronsSolvation, the result of the complicated interplay between solvent-solute and solvent-internal interactions, is one of the most important chemical processes. Consequently, a complete theoretical…Saajid Chowdhury, Jesús Pérez-Ríos·Mar 15, 2024SaveLearn
Onsager vortex clusters on a sphereWe study Onsager vortex clustered states in a shell-shaped superfluid containing a large number of quantum vortices. In the incompressible limit and at low temperatures, the relevant problem can be…Jiawen Chen, Xiaoquan Yu·Mar 14, 2024SaveLearn
Parametric tuning of quantum phase transitions in ultracold reactionsAdvances in atomic physics have led to the possibility of a coherent transformation between ultra-cold atoms and molecules including between completely bosonic condensates. Such transformations are…Vijay Ganesh Sadhasivam, Fumika Suzuki, Bin Yan et al.·Mar 14, 2024SaveLearn
Microscopic Study on Superexchange Dynamics of Composite Spin-1 BosonsWe report on an experimental simulation of the spin-1 Heisenberg model with composite bosons in a one-dimensional chain based on the two-component Bose-Hubbard model. Exploiting our site-and…An Luo, Yong-Guang Zheng, Wei-Yong Zhang et al.·Mar 14, 2024SaveLearn
Exact theory of the finite-temperature spectral function of Fermi polarons with multiple particle-hole excitations: Diagrammatic theory versus Chevy ansatzBy using both diagrammatic theory and Chevy ansatz approach, we derive an exact set of equations, which determines the spectral function of Fermi polarons with multiple particle-hole excitations at…Hui Hu, Jia Wang, Xia-Ji Liu·Mar 14, 2024SaveLearn
Quantum Many-Body Scarring in 2+1D Gauge Theories with Dynamical MatterQuantum many-body scarring (QMBS) has emerged as an intriguing paradigm of weak ergodicity breaking in nonintegrable quantum many-body models, particularly lattice gauge theories (LGTs) in 1+1…Jesse Osborne, Ian P. McCulloch, Jad C. Halimeh·Mar 13, 2024SaveLearn
Bose-Einstein condensation in canonical ensemble with fixed total momentumWe consider Bose-Einstein condensation of noninteracting homogeneous three-dimensional gas in canonical ensemble when both particle number N and total momentum P of all particles are…Andrey S. Plyashechnik, Alexey A. Sokolik, Yurii E. Lozovik·Mar 13, 2024SaveLearn
Superfluid fraction of interacting bosonic gasesThe superfluid fraction f of a quantum fluid is defined in terms of the response of the system to a weak and constant drag. Notably, Leggett long ago derived two simple expressions providing a…Daniel Pérez-Cruz, Grigori E. Astrakharchik, Pietro Massignan·Mar 13, 2024SaveLearn
Enhanced strong interaction effect in synthetic spin-orbit coupling with mixed spin symmetrySynthetic spin-orbit coupling in cold atoms couples the pseudo-spin and spatial degrees of freedom, and therefore the inherent spin symmetry of the system plays an important role. In systems of two…Ayaka Usui, Abel Rojo-Francàs, James Schloss et al.·Mar 11, 2024SaveLearn
Exploring spin-squeezing in the Mott insulating regime: role of anisotropy, inhomogeneity and hole dopingSpin-squeezing in systems with single-particle control is a well-established resource of modern quantum technology. Applied in an optical lattice clock can reduce the statistical uncertainty of…Tanausú Hernández Yanes, Artur Niezgoda, Emilia Witkowska·Mar 11, 2024SaveLearn
Bond-Order Density Wave Phases in Dimerized Extended Bose-Hubbard ModelsThe Bose-Hubbard model (BHM) has been widely explored to develop a profound understanding of the strongly correlated behavior of interacting bosons. Quantum simulators not only allow the exploration…Zeki Zeybek, Peter Schmelcher, Rick Mukherjee·Mar 11, 2024SaveLearn
Detecting degenerate bands topological invariants in optical latticeIn this paper, we present a novel experimental approach for simulating and detecting topological invariants using ultracold fermions confined in two-dimensional hexagonal optical lattices. We propose…Jing-Xin Liu, Jian-Te Wang, Hai-Tao Ding·Mar 11, 2024SaveLearn
Quantum double structure in cold atom superfluidsThe theory of topological quantum computation is underpinned by two important classes of models. One is based on non-abelian Chern-Simons theory, which yields the so-called SU(2)k anyon…E. Génetay Johansen, C. Vale, T. Simula·Mar 11, 2024SaveLearn
Systematic analysis of relative phase extraction in one-dimensional Bose gases interferometrySpatially resolved relative phase measurement of two adjacent 1D Bose gases is enabled by matter-wave interference upon free expansion. However, longitudinal dynamics is typically ignored in the…Taufiq Murtadho, Marek Gluza, Khatee Zathul Arifa et al.·Mar 8, 2024SaveLearn
Quasiperiodic and periodic extended Hatano-Nelson model: Anomalous complex-real transition and non-Hermitian skin effectWe study the effect of quasiperiodic and periodic onsite potentials in a Hatano-Nelson model with next-nearest-neighbour hopping. By considering a non-reciprocal next-nearest-neighbour hopping and a…Soumya Ranjan Padhi, Ashirbad Padhan, Sanchayan Banerjee et al.·Mar 8, 2024SaveLearn
The Uhlmann Phase Winding in Bose-Einstein Condensates at Finite TemperatureWe investigate the Uhlmann phase, a generalization of the celebrated Berry phase, for Bose-Einstein condensates (BECs) at finite temperature. The Uhlmann phase characterizes topological properties of…Chang-Yan Wang, Yan He·Mar 8, 2024SaveLearn
Impurity in a zero-temperature three-dimensional Fermi gasWe consider an impurity in a sea of zero-temperature fermions uniformly distributed throughout the space. The impurity scatters on fermions. On average, the momentum of impurity decreases with time…P. L. Krapivsky·Mar 8, 2024SaveLearn