Observation of a Rydberg-atom time crystal with an ultralong lifetimeContinuous time crystals (CTCs) represent a nonequilibrium quantum phase that spontaneously breaks time-translation symmetry without periodic external driving, manifesting as persistent, long-lived…Qi-Feng Wang, Tian-Yu Han, Ya-Jun Wang et al.·Jul 10, 2026SaveLearn
Superheavy dark-bright soliton as a signature of spatial symmetry breaking transition in harmonically trapped Bose mixturesWe investigate the dynamics of a dark-bright soliton in harmonically trapped two-component Bose-Einstein condensates and reveal an interesting spontaneous spatial symmetry breaking driven by…Zheng Gao, Ling-Zheng Meng, Jie Liu et al.·Jul 10, 2026SaveLearn
Formation Dynamics of Quantum Droplets for Homonuclear and Heteronuclear MixturesSignificant efforts have been devoted to studying the properties of quantum droplets, an ultra low-temperature phase of bosonic quantum matter that emerges as a consequence of the Lee-Huang-Yang…Enrique Calderoli, Gerardo Martinez·Jul 10, 2026SaveLearn
Vacancy Effect on the Ground-State Energy of a Bose Gas Trapped by 1D Imperfect Artificial CrystalFor a weakly interacting Bose gas trapped by an imperfect one-dimensional artificial crystal, we study the effect of its punctual defects, i.e. vacancies, on the ground state properties of the…E. I. Guerrero-Cruz, O. A. Rodríguez-López, M. A. Solís·Jul 9, 2026SaveLearn
Rotation Sensing via Josephson-frequency Splitting in a Toroidal SuperfluidWe show that a toroidal superfluid interrupted by n tunneling barriers realizes a compact Josephson gyroscope with an n-enhanced response to rotation. In the small-amplitude regime, we derive…Giulio Nesti, Luca Pezzè·Jul 9, 2026SaveLearn
Preparation of quasi-two-dimensional Bose mixture of ultracold 23Na and 87Rb atomsQuantum gases confined in reduced dimensions have enabled the observation of many exotic quantum phenomena. While existing experiments primarily focus on homonuclear systems, we report here on the…Ji-Kai Liao, Hao-Ran Zhang, Xiao-Rong Yu et al.·Jul 9, 2026SaveLearn
Wall tension of a Bose-Einstein condensate: Effects of quantum fluctuations and finite-range interactionsWe investigate the effects of quantum fluctuations (QFs) and finite-range interatomic interactions on the ground state and wall tension of a Bose-Einstein condensate (BEC) at zero temperature by…Pham Duy Thanh, Nguyen Van Thu·Jul 8, 2026SaveLearn
A low-energy effective Hamiltonian for Landau quasiparticles: II. Application to the contact Fermi gasThis article follows up on arxiv:2511.15938, in which we developed an Hamiltonian renormalization scheme to construct a quantized theory of Fermi liquids. Here, we apply this formalism to a…Pierre-Louis Taillat, Hadrien Kurkjian·Jul 8, 2026SaveLearn
Localization and topological signatures under periodic twistingWe theoretically explore a dynamical generalization of the Aubry-André model in two dimensions formed by superimposing two square-lattice potentials. Motivated by the rich physics emerging at…James Walkling, Antonio Štrkalj, F. Nur Ünal·Jul 8, 2026SaveLearn
Bose-Hubbard model with power-law hopping in one dimensionWe investigate the zero-temperature phase diagram of the one-dimensional Bose-Hubbard model with power-law hopping decaying with distance as 1/rα using exact large scale quantum Monte Carlo…Tanul Gupta, Nikolay V. Prokof'ev, Guido Pupillo·Jul 8, 2026SaveLearn
Majorana physics in a Luttinger liquid with attractive interactionsMajorana zero modes are the hallmark of topological superconductivity. In one-dimensional systems, these zero modes are usually introduced in the context of gapped, mean-field models that do not…Francesco Debortoli, Nitya Cuzzuol, Luca Barbiero et al.·Jul 7, 2026SaveLearn
Chiral Graviton Modes in Non-Abelian lattice Fractional Quantum Hall statesSynthetic quantum matter provides a highly tunable route to fractional quantum Hall physics beyond the constraints of conventional electronic materials. However, previous theoretical studies have…Zeno Bacciconi, Min Long, Hernan Xavier et al.·Jul 7, 2026SaveLearn
Self-Bound Droplets of Ultracold Dipolar Molecules under Tunable Double Microwave ShieldingWe use the Ground-State Path Integral Monte Carlo method to study a Bose-Einstein condensate of strongly interacting NaCs polar molecules under the action of a fully anisotropic double microwave…Roger Melero, Jordi Boronat, Ferran Mazzanti·Jul 7, 2026SaveLearn
Phase diagram of rotating Bose-Einstein condensates trapped in power-law and hard-wall potentialsWe investigate the rotational phase diagram of a quasi-two-dimensional, weakly-interacting Bose-Einstein condensate confined in power-law and in hard-wall trapping potentials. For weak interactions,…G. M. Kavoulakis·Jul 7, 2026SaveLearn
Dirac Spin Liquid Candidate in a Rydberg Quantum SimulatorWe experimentally investigate a frustrated spin-exchange antiferromagnet in a quantum simulator, composed of N = 114 dipolar Rydberg atoms arranged into a kagome array. Motivated by a recent…Guillaume Bornet, Marcus Bintz, Cheng Chen et al.·Jul 7, 2026SaveLearn
Increasing the stability of a superfluid in a rotating necklace potentialRecent experiments have probed the stability of ring superfluids in the presence of Josephson barriers or Gaussian impurities. Here we present a theoretical analysis that extends beyond the regimes…Giulio Nesti, Luca Pezzè·Jul 7, 2026SaveLearn
Mass-imbalanced SU(N) Fermi gasesWe report a fully analytical description of zero-temperature itinerant ferromagnetism in repulsive SU(N) Fermi gases with arbitrary mass imbalance among components. Using perturbation theory in the…Jordi Pera, Joaquim Casulleras, Jordi Boronat·Jul 6, 2026SaveLearn
Excitation spectra and rank tomography of finite MPS tangent spacesWe formulate the matrix product state (MPS) tangent-space excitation construction for finite, non-uniform systems with open boundary conditions, using the smooth full-rank stratum of the MPS variety…Otto T. P. Schmidt, Iacopo Carusotto·Jul 6, 2026SaveLearn
Bloch-sphere rotations in driven double-well for ultracold atomsWe show that, by using suitable protocols for a non-interacting condensate in a driven double-well, one can achieve controlled rotations about arbitrary axes in the equatorial plane of the Bloch…Michele Modugno, Marco Fattori, Giulio Pettini·Jul 6, 2026SaveLearn
Population eigenstates of the SU(d) spin-exchange model for high-spin fermions in optical latticesWe investigate the SU(d) spin exchange model describing ultra-cold fermionic atoms with spin s 1 in a one-dimensional optical lattice. The model emerges from the Fermi-Hubbard model…Hubert Dunikowski, Emilia Witkowska·Jul 6, 2026SaveLearn
Degeneracy-governed spin squeezing in high-spin Fermi-Hubbard systems weakly coupled to lightHigh-spin alkaline-earth fermions in optical lattices are promising platforms for spin squeezing beyond the spin-1/2 paradigm. We show that spin-squeezing dynamics is qualitatively modified by…Hubert Dunikowski, Emilia Witkowska·Jul 6, 2026SaveLearn
A Maxwell Fish-Eye Lens in a Bose-Einstein CondensateWe experimentally realize an analogue of the optical Maxwell fish-eye lens (MFEL) using phononic excitations in a Bose-Einstein condensate (BEC). A MFEL is characterized by a radially symmetric,…Jelte Duchêne, Elinor Kath, Floriane Arrouas et al.·Jul 6, 2026SaveLearn
Generalized Dynamical Duality of Quantum Particles in One DimensionWe prove a generalized dynamical duality for identical particles in one dimension (1D). Namely, 1D systems with arbitrary statistics -- including bosons, fermions and anyons -- approach the same…Yu Chen, Xiaoling Cui·Jul 6, 2026SaveLearn
Experimental signatures of bosonic pairing in a two-component Bose gasTwo-component bosonic droplets are commonly described within Bogoliubov theory, where beyond-mean-field quantum fluctuations stabilize the system against mean-field collapse. In the interaction…Omar Almonajed, M. Iskin, M. Ö. Oktel·Jul 4, 2026SaveLearn
Effective potentials for polar molecules under non-orthogonal dual microwave fieldsDual-microwave shielding has emerged as a powerful tool for stabilizing ultracold polar molecules while tuning their intermolecular interactions. However, the two microwave fields are generally not…Fulin Deng, Xinyuan Hu, Su Yi et al.·Jul 3, 2026SaveLearn