Measuring entanglement without local addressing in quantum many-body simulators via spiral quantum state tomographyQuantum state tomography serves as a key tool for identifying quantum states generated in quantum computers and simulators, typically involving local operations on individual particles or qubits to…Giacomo Marmorini, Takeshi Fukuhara, Daisuke Yamamoto·Nov 25, 2024SaveLearn
Observation of quantized vortex in an atomic Bose-Einstein condensate at Dirac point with emergent spin-orbit couplingWhen two or more energy bands become degenerate at a singular point in the momentum space, such singularity, or ``Dirac points", gives rise to intriguing quantum phenomena as well as unusual…Yunda Li, Wei Han, Zengming Meng et al.·Nov 25, 2024SaveLearn
Collapsing dynamics of attractive Bose-Einstein condensates in random potentialsWe study the stationary and dynamical properties of three-dimensional trapped Bose-Einstein condensates with attractive interactions subjected to a random potential. To this end, a variational method…Madjda Kamel, Abdelaali Boudjemaa·Nov 25, 2024SaveLearn
Bosonic Peierls state emerging from the one-dimensional Ising-Kondo interactionAs an important effect induced by the particle-lattice interaction, the Peierls transition, a hot topic in condensed matter physics, is usually believed to occur in the one-dimensional fermionic…Jingtao Fan, Xiaofan Zhou, Suotang Jia·Nov 25, 2024SaveLearn
Bose-Einstein condensation at constant pressureIn the weakly non-ideal gas model [1], the Bose-Einstein condensation at constant pressure is considered. The temperature of transition to the state with condensate is found. Temperature dependences…Yu. M. Poluektov·Nov 25, 2024SaveLearn
Interaction between gravitational waves and trapped Bose-Einstein condensatesInspired by recent proposals for detecting gravitational waves by using Bose-Einstein condensates (BECs), we investigate the interplay between these two phenomena. A gravitational wave induces a…A. Perodi, L. Salasnich·Nov 24, 2024SaveLearn
On the anomalous density of a dilute homogeneous Bose gasMeasurement of numerical values of the anomalous density, σ, which plays important role in Bose -- Einstein condensation, and, especially, determination of its sign, has been a long standing…Abdulla Rakhimov, Mukhtorali Nishonov·Nov 24, 2024SaveLearn
String breaking mechanism in a lattice Schwinger model simulatorString breaking is a fundamental concept in gauge theories, describing the decay of a flux string connecting two charges through the production of particle-antiparticle pairs. This phenomenon is…Ying Liu, Wei-Yong Zhang, Zi-Hang Zhu et al.·Nov 23, 2024SaveLearn
Thermodynamics and State Preparation in a Two-State System of LightThe coupling of two-level quantum systems to the thermal environment is a fundamental problem, with applications ranging from qubit state preparation to spin models. However, for the elementary…Christian Kurtscheid, Andreas Redmann, Frank Vewinger et al.·Nov 22, 2024SaveLearn
Static impurity in a mesoscopic system of SU(N) fermionic matter-wavesWe investigate the effects of a static impurity, modeled by a localized barrier, in a one-dimensional mesoscopic system comprised of strongly correlated repulsive SU(N)-symmetric fermions. For a…Juan Polo, Wayne J. Chetcuti, Anna Minguzzi et al.·Nov 21, 2024SaveLearn
Electrodynamics of Vortices in Quasi-2D Scalar Bose-Einstein CondensatesIn two spatial dimensions, vortex-vortex interactions approximately vary with the logarithm of the inter-vortex distance, making it possible to describe an ensemble of vortices as a Coulomb gas. We…Seong-Ho Shinn, Adolfo del Campo·Nov 21, 2024SaveLearn
Preparation and observation of anomalous counterpropagating edge states in a periodically driven optical Raman latticeMotivated by the recent observation of real-space edge modes with ultracold atoms [Braun et al., Nat. Phys. 20, 1306 (2024)], we investigate the preparation and detection of anomalous…Hongting Hou, Long Zhang·Nov 21, 2024SaveLearn
Ground-state phase transitions in spin-1 Bose-Einstein condensates with spin-orbit couplingWe investigate phase transitions of the ground state (GS) of spin-1 Bose-Einstein condensates under the combined action of the spin-orbit coupling (SOC) and gradient magnetic field. Introducing…Xin-Feng Zhang, Yuan-Fen Liu, Huan-Bo Luo et al.·Nov 21, 2024SaveLearn
Variational approach to the dynamics of dissipative quantum impurity modelsRecent experiments with quantum simulators using ultracold atoms and superconducting qubits have demonstrated the potential of controlled dissipation as a versatile tool for realizing correlated…Yi-Fan Qu, Martino Stefanini, Tao Shi et al.·Nov 20, 2024SaveLearn
Quantum transport in strongly correlated Fermi gasesTransport in strongly correlated fermions cannot be understood by fermionic quasiparticles alone. We present a theoretical framework for quantum transport that incorporates strong local correlations…Tilman Enss·Nov 20, 2024SaveLearn
Measurement of p-wave contacts in an ultracold Fermi gas of 6Li atomsUsing radio-frequency (RF) spectroscopy, we measure the p-wave contacts in a Fermi gas of 6Li atoms near the p-wave Feshbach resonance. The RF spectrum exhibits clear asymptotic behavior,…Kenta Nagase, Soki Oshima, Hikaru Takahashi et al.·Nov 20, 2024SaveLearn
Out-of-equilibrium quantum thermochemical engine with one-dimensional Bose gasWe theoretically explore the finite-time performance of a quantum thermochemical engine using a harmonically trapped 1D Bose gas in the quasicondensate regime as the working fluid. Operating on an…Vijit V. Nautiyal·Nov 20, 2024SaveLearn
Designing Atomtronic Circuits via Superfluid DynamicsWe propose to design atomtronic circuits with Bose-Einstein condensates (BECs) in circuit-like traps that are controlled via mobile barriers. Using classical-field simulations, we demonstrate a…Sarah Jährling, Vijay Pal Singh, Ludwig Mathey·Nov 20, 2024SaveLearn
Strong interaction induced dimensional crossover in 1D quantum gasWe generated a one-dimensional quantum gas confined in an elongated optical dipole trap instead of 2D optical lattices. The sample, comprising thousands of atoms, spans several hundred micrometers…Zhongchi Zhang, Zihan Zhao, Huaichuan Wang et al.·Nov 20, 2024SaveLearn
Probing false vacuum decay on a cold-atom gauge-theory quantum simulatorIn the context of quantum electrodynamics, the decay of false vacuum leads to the production of electron-positron pair, a phenomenon known as the Schwinger effect. In practical experimental…Zi-Hang Zhu, Ying Liu, Gianluca Lagnese et al.·Nov 19, 2024SaveLearn
Topological Pathways to Two-Dimensional Quantum TurbulenceWe present a combined experimental and theoretical investigation of the formation and decay kinetics of vortices in two dimensional, compressible quantum turbulence. We follow the temporal evolution…Riccardo Panico, Giorgio Ciliberto, Giovanni Italo Martone et al.·Nov 18, 2024SaveLearn
Validity of the Fröhlich model for a mobile impurity in a Bose-Einstein condensateWe analyze the many-body Hamiltonian describing a mobile impurity immersed in a Bose-Einstein condensate (BEC). Using exact unitary transformations and rigorous error estimates, we show the validity…Jonas Lampart, Arnaud Triay·Nov 18, 2024SaveLearn
Distribution Function for n g Quantum ParticlesA new quantum mechanical distribution function nI(), is derived for the condition n g, where in contrast to the exclusion principle n g for fermions, each energy state must…Shimul Akhanjee·Nov 15, 2024SaveLearn
Measuring Hall voltage and Hall resistance in an atom-based quantum simulatorIn the Hall effect, a voltage drop develops perpendicularly to the current flow in the presence of a magnetic field, leading to a transverse Hall resistance. Recent developments with quantum…T. -W. Zhou, T. Beller, G. Masini et al.·Nov 14, 2024SaveLearn
Acceleration-driven dynamics of Josephson vortices in coplanar superfluid ringsPrecise control of topologically protected excitations, such as quantum vortices in atomtronic circuits, opens new possibilities for future quantum technologies. We theoretically investigate the…Yurii Borysenko, Nataliia Bazhan, Olena Prykhodko et al.·Nov 14, 2024SaveLearn