Confinement-controlled pattern selection in a finite population-imbalanced dipolar Bose-Einstein condensateWe study the ground-state density patterns of a population-imbalanced two-component dipolar Bose-Einstein condensate confined in a circular quasi-two-dimensional box. Using a mean-field model, we map…Zhenhao Wang, Weijing Bao, Jia-Rui Luo et al.·May 20, 2026SaveLearn
Emergence of a molecular quantum liquid in one dimensionWe investigate the fate of a one-dimensional lattice superfluid formed by hard-core bosons, aka `atoms' (alternatively, a free spinless Fermi sea) subjected to nearest-neighbor attractive…Rajashri Parida, Biswajit Paul, Harish S. Adsule et al.·May 20, 2026SaveLearn
Interference-Induced Suppression of Doublon Transport and Prethermalization in the Extended Bose-Hubbard ModelThe coherent mobility of doublons, arising from second-order virtual dissociation-recombination processes, fundamentally limits their use as information carriers in the strongly interacting…Zhen-Ting Bao, Kai Xu, Heng Fan·May 20, 2026SaveLearn
Lellouch-Lüscher relation for ultracold few-atom systems under confinementWe derive an analog of the Lellouch-Lüscher (LL) relation for few-body bosonic systems, linking few-body scattering loss rates to the energies and widths of the corresponding harmonically trapped…Jing-Lun Li, Paul S. Julienne, Johannes Hecker Denschlag et al.·May 20, 2026SaveLearn
Finite-temperature spin diffusion in the two-dimensional XY modelWe present a combined theory-experiment study to quantify spin diffusion in the square lattice quantum spin-1/2 XY model at finite temperature. On the theory side, we leverage a recently developed…Erik Fitzner, Byungjin Lee, Junhyeok Hur et al.·May 19, 2026SaveLearn
Quantum effective action for dissipative semiclassical dynamicsUsing the quantum effective action in the Schwinger-Keldysh formalism, we derive quantum-thermal corrections to the semiclassical dynamics of a dissipative system described by a macroscopic degree of…Cesare Vianello, Andrea Bardin, Luca Salasnich·May 19, 2026SaveLearn
Jones-Roberts solitary waves and the onset of rotation in a spherical surface condensateThe nonlinear excitations underlying the onset of rotation in a dilute Bose-Einstein condensate confined to a thin spherical shell are studied. These excitations correspond to solitary waves rotating…Noel Cuadra, Alberto Villois, Thomas Gasenzer et al.·May 19, 2026SaveLearn
Interband Berry connection measurement in the optical honeycomb latticeThe geometry of Bloch bands affects many physical properties of crystalline solids and other spatially periodic systems. Direct experimental determination of such geometry is an active area of…Shao-Wen Chang, Malte N. Schwarz, Erin G. Moloney et al.·May 19, 2026SaveLearn
Realization of fractional Fermi seasThe Pauli exclusion principle is a cornerstone of quantum physics: it governs the structure of matter. Extensions of this principle, such as Haldane's generalized exclusion statistics, predict…Yi Zeng, Alvise Bastianello, Sudipta Dhar et al.·May 19, 2026SaveLearn
Generalized Hydrodynamics of Bloch Oscillations in the Absence of a LatticeObjects subjected to a constant force generally increase their velocity over time. This expectation fails whenever their energy is a smooth and periodic function of momentum, resulting in periodic…Stefano Scopa, Philip Zechmann, Michael Knap et al.·May 18, 2026SaveLearn
Can machine learning for quantum-gas experiments be explainable?Virtually all aspects of many-body atomic physics are challenging: experiments are technically demanding, datasets have become enormous, and the memory and CPU requirements for classical simulation…I. B. Spielman amd J. P. Zwolak·May 18, 2026SaveLearn
A study of the dimer-trimer crossover in a driven three-component Fermi gasWe develop an Effective Field Theory (EFT) for a system with three distinguishable atomic species and present a variational calculation of the two and three-body binding energies in vacuum and in the…Ronnie Slowinski, Gaël Servignat, Frédéric Chevy et al.·May 18, 2026SaveLearn
Weak Fragmentation and Thermalization in a Dipole-Conserving Bose-Hubbard ChainWe study Hilbert-space fragmentation and thermalization in a one-dimensional dipole-conserving Bose-Hubbard chain. By analyzing the structure of the Hamiltonian matrix in the Fock basis, we show that…Chenrong Liu·May 18, 2026SaveLearn
Shapiro steps of superfluid Fermi gases in a ring trap across the BCS--BEC crossoverWe investigate the transport properties of a superfluid Fermi gas confined in a ring trap with a moving potential barrier across the Bardeen-Cooper-Schrieffer (BCS) to Bose-Einstein condensate (BEC)…Hikaru Kuriki, Masaya Kunimi, Tetsuro Nikuni·May 18, 2026SaveLearn
Temperature-Controlled Resonance in a Heteronuclear Quantum Gas MixtureSingle-channel resonances are fundamental processes in scattering of atoms, yet their occurrence is largely incidental and lacks systematic control. In this Letter, we propose a mechanism to realize…Xiaoyi Yang, Tianyu Xu, Shengli Ma et al.·May 18, 2026SaveLearn
Multi-state detection and spatial addressing in a microscope for ultracold moleculesPrecise measurement of the particle number, spatial distribution and internal state is fundamental to all proposed experiments with ultracold molecules both in bulk gases and optical lattices. Here,…Jonathan M. Mortlock, Adarsh P. Raghuram, Benjamin P. Maddox et al.·May 18, 2026SaveLearn
Ultrafast many-body dynamics of dense Rydberg gases and ultracold plasmaUnderstanding Coulomb driven many-body dynamics in ultracold atomic systems far from equilibrium remains an open challenge, particularly when ultrafast excitation channels create competing pathways…Mario Großmann, Jette Heyer, Julian Fiedler et al.·May 16, 2026SaveLearn
Universal dynamics from a single-particle dark stateOpen quantum systems can host dark or subradiant states whose decay is highly suppressed. While these states have been extensively studied in the few-excitation regime, their impact on the many-body…Ruben Daraban, Arghavan Safavi-Naini, Johannes Schachenmayer et al.·May 15, 2026SaveLearn
Polariton BECs: Theory and ConceptsPolaritons are a superposition of light and matter, that combine Strong Interferences (of light) with Weak Interactions (of excitons), making them WISI (Weakly-Interacting, Strongly-Interfering)…Fabrice Laussy·May 15, 2026SaveLearn
Revealing Hidden Correlations in a Fermi-Hubbard system via Interaction RampsWe observe an enhanced visibility of charge-density-wave correlations in a cold-atom realization of the attractive Hubbard model following a rapid boost of the interaction strength. The interaction…Botond Oreg, Carter Turnbaugh, Jens Hertkorn et al.·May 15, 2026SaveLearn
Scale invariance of the polaron energy at the Mott-superfluid critical pointContinuous quantum phase transitions are characterized by an order parameter and correlation functions that are often challenging to access experimentally or in direct numerical simulations. The…Matija Čufar, Ragheed Alhyder, C. J. Bradly et al.·May 15, 2026SaveLearn
Role of impurity statistics and medium constraints in polaron-polaron interactionsWe consider the behavior of a small density of mobile impurities (polarons) immersed in a quantum gas, a generic scenario that can be realized in cold atomic gases, liquid helium mixtures, and doped…Jesper Levinsen, Francesca Maria Marchetti, Olivier Bleu et al.·May 15, 2026SaveLearn
Larkin-Ovchinnikov-Fulde-Ferrell state of spin polarized atomic Fermi superfluid on a spherical surfaceBy implementing the Bogoliubov-de Gennes (BdG) formalism of population-imbalanced atomic Fermi gases with pairing interactions in a thin spherical shell, we characterize the…Yan He, Chih-Chun Chien·May 14, 2026SaveLearn
Time Crystals in Coupled Exciton-Polariton CondensatesIn this paper, we show that time crystals can emerge in coupled exciton-polariton condensates without periodic external driving, enabled instead by incoherent gain and dissipation channels inherent…Xuan Ye, Hong-Jin Xiong, Alexey Kavokin et al.·May 14, 2026SaveLearn
Ferrodark soliton collisions: Breather formation, pair reproduction, and spin-mass separationWe study collisions between a ferrodark soliton (FDS) and an antiFDS (Z2 kinks in the spin order) in the easy-plane phase of spin-1 Bose-Einstein condensates (BECs). For a type-I pair…Yixiu Bai, Jiangnan Biguo, Xiaoquan Yu·May 14, 2026SaveLearn