The second quantization method for indistinguishable particles (Lecture Notes in Physics, UFABC 2010)Summary of the lectures: 1. Creation and annihilation operators for the system of indistinguishable particles 1.1 The permutation group and the states of a system of indistinguishable particles 1.2…V. S. Shchesnovich·Aug 5, 2026SaveLearn
Quantum Impurities as Probes of Finite-Temperature Fluctuations in Two-Dimensional Bose GasesTwo-dimensional quantum gases provide a distinctive setting in which enhanced thermal fluctuations, finite-size effects, and two-body bound-state formation are intrinsically intertwined. In this…Victor Velasco, Gabriele Spada, Giovanni Midei et al.·Aug 4, 2026SaveLearn
Faraday pattern formation in dipolar superfluid and supersolid quantum gasesWe investigate Faraday instabilities in three-dimensional parametrically driven trapped dipolar quantum gases within the framework of the extended Gross-Pitaevskii equation. In the superfluid regime,…Sumit Semwal, Shawan K. Jha, G. A. Bougas et al.·Aug 4, 2026SaveLearn
Benchmarking the fermionic quasi-1D many-body problemWe investigate the validity of effective one-dimensional models for quasi-1D fermionic systems by benchmarking a coupled-channel approach against the exact low-energy theory derived from the…Ekaterina Gradova, Fr{é}d{é}ric Chevy·Aug 3, 2026SaveLearn
Universal Speed Limit in a Far-from-Equilibrium Bose Gas: Symmetry and Dynamical DecoherencePredicting universal transport coefficients in far-from-equilibrium quantum systems remains a fundamental challenge. A paradigmatic example is the non-thermal fixed point (NTFP) of isolated Bose…Jun-Cheng Liang, Bo Chen·Aug 3, 2026SaveLearn
Many-body cages: disorder-free glassiness from flat bands in Fock space, and many-body Rabi oscillationsWe introduce many-body caging as a novel mechanism for nonthermal behaviour in quantum matter. We define many-body cages as eigenstates that, through quantum interference, become localised on a…Tom Ben-Ami, Markus Heyl, Roderich Moessner·Aug 3, 2026SaveLearn
Production and stabilization of a spin mixture of ultracold dipolar Bose gasesMixtures of ultracold gases with long-range interactions are expected to open new avenues in the study of quantum matter. Natural candidates for this research are spin mixtures of atomic species with…Maxime Lecomte, Alexandre Journeaux, Julie Veschambre et al.·Aug 2, 2026SaveLearn
Revealing the Spin Hydrodynamics of a Spin-Imbalanced Unitary Fermi GasHydrodynamics governs diverse collective phenomena in nature, from the expansion of a quarkgluon plasma to viscous electron flow in quantum materials. In strongly interacting hydrodynamic fluids, the…DeChao Zhang, Johannes Lang, J. E. Thomas·Jul 31, 2026SaveLearn
Pairing near the boundary of a box-shaped trap in the BEC-BCS crossoverWe study pairing of attractively interacting fermions confined to a box-shaped trap. In contrast to the infinite translationally-invariant case, where the local pairing order is spatially uniform and…Kelly R. Patton, Daniel E. Sheehy·Jul 31, 2026SaveLearn
Tunable two-component ultracold molecular gases with vibrational shieldingWe propose a method to realize stable, tunable two-component quantum mixtures of ultracold polar molecules. First, we show that a pair of polar molecules in two distinct rovibrational states exhibits…Bijit Mukherjee, Michał Tomza·Jul 31, 2026SaveLearn
Dissipation-enhanced vortex clustering in a compressible quantum fluidVortex clustering is commonly associated with conservative two-dimensional quantum-fluid dynamics. Therefore, particle loss is mainly expected to limit clustering by shortening the time available for…P. Comaron, M. Matuszewski, D. Sanvitto et al.·Jul 31, 2026SaveLearn
Quasiparticle modes across soliton transition with density-dependent gauge field in optical latticesTunneling of ultracold bosons confined in a one-dimensional optical lattice results in a nontrivial gauge field depending on density-difference between the sites involved. The density dependent…Poorava Kumar Meena, Kuldeep Suthar·Jul 31, 2026SaveLearn
Potential-defect-driven collective modes of one-dimensional two-component quantum dropletsWe examine a one-dimensional binary mixture of ultradilute quantum droplets in the presence of a central potential defect. The properties of the potential strength and the number of atoms exhibit…Harsimranjit Kaur, Kuldeep Suthar·Jul 31, 2026SaveLearn
Tunable state-dependent interactions in collisionally stable mixtures of polar moleculesWe propose encoding a pseudo-spin-1/2 system in the ground (v=0) and first excited (v=1) vibrational states of polar molecules. Double microwave shielding simultaneously shields molecules in…Hubert J. Jóźwiak, Hanwei Yang, Eugen Dizer et al.·Jul 31, 2026SaveLearn
Ro-vibrational van der Waals interaction between ultracold polar moleculesWe describe the ro-vibrational van der Waals interaction between ultracold polar molecules. This interaction is strong, leading to fast elastic collisions and orders of magnitude suppression of…Kang Feng, Hanwei Yang, Hubert J. Jóźwiak et al.·Jul 31, 2026SaveLearn
Coexisting Regular and Chaotic Dynamics in the Dysprosium Feshbach SpectrumStrongly dipolar gases, such as dysprosium, erbium and thulium, exhibit dense Feshbach spectra whose level statistics have been associated with quantum chaos arising from couplings among many…Julie Veschambre, Alexandre Journeaux, Maxime Lecomte et al.·Jul 31, 2026SaveLearn
Josephson effects in an interaction-asymmetric junction across the BCS-BEC crossoverWe theoretically study the Josephson effect in ultracold Fermi gases, where the two sides of the Josephson junction are independently tuned to different regions of the Bardeen-Cooper-Schrieffer…Tingyu Zhang, Hiroyuki Tajima·Jul 31, 2026SaveLearn
Tomonaga-Luttinger liquid theory for one-dimensional attractive Fermi gasesThe one-dimensional (1D) Yang-Gaudin model-an integrable δ-function interacting Fermi gas, serves as a paradigm in quantum many-body physics, encompassing phenomena from spin-charge separation to…Hai-Ying Cui, Yu-Hao Yeh, Randall G. Hulet et al.·Jul 31, 2026SaveLearn
Universal Transport Properties of Continuous Quantum GasesThe Drude weight characterizes ballistic transport in quantum many-body systems. Although analytical calculations of Drude weights have been extensively studied in integrable models, their direct…Zi-yang Liu, Xiangguo Yin, Yunbo Zhang et al.·Jul 31, 2026SaveLearn
Strongly dipolar molecular Bose-Einstein condensates: From few- to many-body physicsRecent advances in molecular cooling have enabled the realization of strongly dipolar Bose--Einstein condensates (BECs) of molecules, and BECs of many different molecular species may become…Andreas Schindewolf, Jens Hertkorn, Ian Stevenson et al.·Jul 31, 2026SaveLearn
Hubbard physics with ultracold polar molecules: on-site interaction energies for shielded moleculesWe explore on-site interaction energies U for pairs of shielded ultracold molecules on the same lattice site. We use 2-dimensional effective potentials appropriate for microwave shielding, which…Carlin Stewart-Wiese, Joy Dutta, Jeremy M. Hutson·Jul 30, 2026SaveLearn
FFLO transition and quantum criticality in polarized Fermi gasesWe investigate the zero-temperature transition from the polarized normal phase to the FFLO state in a two-dimensional Fermi gas by means of a diagrammatic t-matrix approach. We first show that the…Francesco Pirolo, Leonardo Pisani, Pierbiagio Pieri·Jul 30, 2026SaveLearn
Observation of Moiré Time Crystal in Floquet-driven Rydberg Atomic GasesA Moiré time crystal is a non-equilibrium quantum phase emerging from the coherent interference of two distinct frequencies, at least one being the intrinsic oscillation of a symmetry-broken time…Shuai Shi, Dong-Yang Zhu, Yu Yang et al.·Jul 30, 2026SaveLearn
A magnetic monopole in a superfluid bubbleMagnetic monopoles lie at the crossroads of gauge fields, topology, geometric phases, and charge quantization, yet they remain elusive as fundamental particles. Here we show that an emergent…Marianna Sorba, Andrea Richaud·Jul 30, 2026SaveLearn
Deterministic Nucleation and Dynamics of Infilled Multiply-Charged Vortices in an Immiscible 87Rb-41K MixtureWe propose a method for controllably generating multiply-charged vortices in immiscible Bose-Einstein condensates. We achieve this by applying a laser stirring technique to a…R. Doran, K. E. Wilson·Jul 30, 2026SaveLearn