Analog Hawking radiation from a spin-sonic horizon in a two-component Bose-Einstein condensateWe theoretically study stimulated and spontaneous Hawking emission from an analog horizon for spin modes in a two-component Bose-Einstein condensate, both with and without a coherent coupling between…Anna Berti, Lennart Fernandes, Salvatore Giulio Butera et al.·Aug 30, 2024SaveLearn
Anomalous Doppler effect in superfluid and supersolid atomic gasesBy employing the formalism of hydrodynamics, we derive novel analytic predictions for the Doppler effect in superfluids with broken Galilean invariance and hosting persistent currents at zero…Tomasz Zawiślak, Marija Šindik, Sandro Stringari et al.·Aug 29, 2024SaveLearn
Pseudogap regime of the unitary Fermi gas with lattice auxiliary-field quantum Monte Carlo in the continuum limitThe unitary Fermi gas (UFG) is a strongly correlated system of two-species (spin-1/2) fermions with a short-range attractive interaction modeled by a contact interaction and has attracted much…S. Jensen, C. N. Gilbreth, Y. Alhassid·Aug 29, 2024SaveLearn
Topological superfluid phases of attractive Fermi-Hubbard model in narrow-band cold-atom optical latticesWe investigate the effects of attractive Hubbard interaction on two-component fermionic atoms in narrow two-dimensional (2D) energy bands that exhibit Rashba spin-orbit coupling (SOC) in the presence…T. D. Stanescu, Sumanta Tewari, V. W. Scarola·Aug 29, 2024SaveLearn
Distinct many-body scars and emergent quantum phases driven by competing interactions in two-species Rydberg arraysRydberg atom arrays composed of multiple atomic species stand as a highly promising platform for quantum computation. However, the underlying physics of these systems as quantum many-body systems…Lei-Yi-Nan Liu, Shun-Yao Yu, Shi-Rong Peng et al.·Aug 28, 2024SaveLearn
Turbulence and far-from-equilibrium equation of state of Bogoliubov waves in Bose-Einstein CondensatesBogoliubov waves are fundamental excitations of Bose-Einstein Condensates (BECs). They emerge from a perturbed ground state and interact nonlinearly, triggering turbulent cascades. Here, we study…Ying Zhu, Giorgio Krstulovic, Sergey Nazarenko·Aug 27, 2024SaveLearn
Controlling few-body reaction pathways using a Feshbach resonanceGaining control over chemical reactions on the quantum level is a central goal of the modern field of cold and ultracold chemistry. Here, we demonstrate a novel method to coherently steer reaction…Shinsuke Haze, Jinglun Li, Dominik Dorer et al.·Aug 27, 2024SaveLearn
Hartree-Fock approximation for non-Coulomb interactions in three and two-dimensional systemsWe analyzed the Hartree-Fock approximation for an electron system. The interaction between particles is modeled by a non-Coulombian potential. We analyzed both the three-dimensional and…Vlad-Mihai Ene, Ilinca Lianu, Ioan Grosu·Aug 27, 2024SaveLearn
Delta-Learning approach combined with the cluster Gutzwiller approximation for strongly correlated bosonic systemsThe cluster Gutzwiller method is widely used to study the strongly correlated bosonic systems, owing to its ability to provide a more precise description of quantum fluctuations. However, its utility…Zhi Lin, Tong Wang, Sheng Yue·Aug 26, 2024SaveLearn
A symbiotic nondipolar droplet supersolid in a binary dipolar-nondipolar Dy-Rb mixtureWe demonstrate the formation of two types of symbiotic nondipolar droplet supersolid in a binary dipolar-nondipolar mixture with an interspecies atraction, where the dipolar (nondipolar) atoms are…S. K. Adhikari·Aug 25, 2024SaveLearn
Third quantization with Hartree approximation for open-system bosonic transportThe third quantization (3rd Q) for bosons provides the exact steady-state solution of the Lindblad equation with quadratic Hamiltonians. By decomposing the interaction of the Bose Hubbard model (BHM)…Fernando Espinoza-Ortiz, Chih-Chun Chien·Aug 23, 2024SaveLearn
Stable 3D vortex solitons of high topological charge in a Rydberg-dressed Bose-Einstein condensate with spin-orbit couplingStable vortex solitons (VSs) are objects of great interest for fundamental studies and various applications, including particle trapping, microscopy, data encoding, and matter-wave gyroscopes.…Yanchao Zhang, Chao Hang, Boris A. Malomed et al.·Aug 23, 2024SaveLearn
Shape-controlled Bose-Einstein CondensationSize-invariant shape transformation is a geometric technique that allows for a clear separation between quantum size and shape effects by modifying the shape of the confinement domain without…Cem Kurt, Altug Sisman, Alhun Aydin·Aug 22, 2024SaveLearn
Dissipation and Interaction-Controlled Non-Hermitian Skin EffectsNon-Hermitian skin effects (NHSEs) have recently been extensively studied at the single-particle level. When many-body interactions become dominant, novel non-Hermitian phenomena can emerge. In this…Yang Li, Zhao-Fan Cai, Tao Liu et al.·Aug 22, 2024SaveLearn
Time-resolved pairing gap spectroscopy in a quantum simulator of fermionic superfluidity inside an optical cavityWe use an ensemble of laser-cooled strontium atoms in a high-finesse cavity to cleanly emulate the technique of rf spectroscopy employed in studies of BEC-BCS physics in fermionic superfluids of…Dylan J. Young, Eric Yilun Song, Anjun Chu et al.·Aug 22, 2024SaveLearn
General hydrodynamic approach for a cold Bose gasThe aim of this paper is to derive the hydrodynamics for a cold Bose gas from the microscopic platform based on the many-body Schrodinger equation and general assumptions of the hydrodynamic approach…V. M. Pergamenshchik·Aug 22, 2024SaveLearn
Impurities in a trapped 1D Bose gas of arbitrary interaction strength: localization-delocalization transition and absence of self-localizationWe discuss impurities in a one-dimensional Bose gas with arbitrary boson-boson and boson-impurity interactions. To fully account for quantum effects, we employ numerical simulations based on the…Dennis Breu, Eric Vidal Marcos, Martin Will et al.·Aug 21, 2024SaveLearn
Stable singular fractional skyrmion spin texture from the quantum Kelvin-Helmholtz instabilityTopology profoundly influences diverse fields of science, providing a powerful framework for classifying phases of matter and predicting nontrivial excitations, such as solitons, vortices, and…SeungJung Huh, Wooyoung Yun, Gabin Yun et al.·Aug 20, 2024SaveLearn
Folded multistability and hidden critical point in microwave-driven Rydberg atomsThe interactions between Rydberg atoms and microwave fields provide a valuable framework for studying the complex dynamics out of equilibrium, exotic phases, and critical phenomena in many-body…Yu Ma, Bang Liu, Li-Hua Zhang et al.·Aug 20, 2024SaveLearn
Impurities induced vortex lattice melting and turbulence in rotating Bose-Einstein condensatesWe investigate the impact of various impurities on rotating Bose-Einstein condensates confined within two-dimensional harmonic and optical lattice potentials. Without impurities, the rotating…Rony Boral, Swarup K. Sarkar, Paulsamy Muruganandam et al.·Aug 20, 2024SaveLearn
Comparison of renormalized interactions using one-dimensional few-body systems as a testbedEven though the one-dimensional contact interaction requires no regularization, renormalization methods have been shown to improve the convergence of numerical ab initio calculations considerably. In…Fabian Brauneis, Hans-Werner Hammer, Stephanie M. Reimann et al.·Aug 19, 2024SaveLearn
Cornwall-Jackiw-Tomboulis effective field theory to nonuniversal equation of state of an ultracold Bose gasThe equation of state (EOS) serves as a cornerstone in elucidating the properties of quantum many-body systems. A recent highlight along this research line consists of the derivation of the…Yi Zhang, Zhaoxin Liang·Aug 19, 2024SaveLearn
Multipole quantum droplets in quasi-one-dimensional asymmetric mixturesWe study quantum droplets emerging in a quasi-one-dimensional asymmetric mixture of two atomic species with different intra-component coupling constants. We find that such mixtures support a rich…Yaroslav V. Kartashov, Dmitry A. Zezyulin·Aug 19, 2024SaveLearn
Quantum Reservoir Computing Using Bose-Einstein Condensate with DampingQuantum reservoir computing is a type of machine learning in which the high-dimensional Hilbert space of quantum systems contributes to performance. In this study, we employ the Bose-Einstein…Yuki Kurokawa, Junichi Takahashi, Yoshiya Yamanaka·Aug 18, 2024SaveLearn
Quantum Vortices in Curved GeometriesThe control over the geometry and topology of quantum systems is crucial for advancing novel quantum technologies. This work provides a synthesis of recent insights into the behaviour of quantum…A. Tononi, L. Salasnich, A. Yakimenko·Aug 17, 2024SaveLearn