Bose-Einstein condensation in systems with flux equilibriumWe consider flux equilibrium in dissipative nonlinear wave systems subject to external energy pumping. In such systems, the elementary excitations, or quasiparticles, can create a Bose-Einstein…Victor S. L'vov, Anna Pomyalov, Sergey V. Nazarenko et al.·Nov 9, 2023SaveLearn
Squeezing Bose-Bose liquid dropsWe explore ultradilute Bose-Bose liquid droplets squeezed by an external harmonic potential in one spatial direction. Our theoretical study is based on a functional that is built using quantum Monte…A. Sanuy, R. Barač, P. Stipanović et al.·Nov 9, 2023SaveLearn
Predicting Bubble Fragmentation in SuperfluidsIn classical fluids, the Weber number is a dimensionless parameter that characterises the flow of a multi-phase fluid. The superfluid analogy of a classical multi-phase fluid can be realised in a…Jake McMillan, Thomas A Flynn, Ryan Doran·Nov 8, 2023SaveLearn
Time evolution of coherent wave propagation and spin relaxation in spin-orbit coupled systemsWe investigate, both numerically and analytically, the time evolution of a particle in an initial plane wave state as it is subject to elastic scattering in a two-dimensional disordered system with…Masataka Kakoi, Keith Slevin·Nov 8, 2023SaveLearn
A quantum Monte Carlo based density functional for Dysprosium dipolar systemWe present a quantum Monte Carlo based density functional to describe droplet formation and supersolidity in dipolar systems. The usual Lee-Huang-Yang term, accounting for quantum correlations in the…Raúl Bombín, Viktor Cikojević, Ferran Mazzanti et al.·Nov 8, 2023SaveLearn
Sub-unity superfluid fraction of a supersolid from self-induced Josephson effectRecently, a new category of superfluids and superconductors has been discovered in various systems. These could be linked to the idea of a supersolid phase, featuring a macroscopic wavefunction with…Giulio Biagioni, Nicolò Antolini, Beatrice Donelli et al.·Nov 8, 2023SaveLearn
Non-adiabatic polariton condensation in annular optical trapsWe explore formation and dynamics of nonequilibrium bosonic exciton-polariton condensates in annular optically induced traps. For the vicinity of condensation pumping threshold, we develop the…I. Chestnov, E. Cherotchenko, A. Nalitov·Nov 7, 2023SaveLearn
Dynamics of Interacting Bosons on the Sawtooth Lattice with a Flat BandQuantum many-body systems are expected to relax to a thermal state over time, with some exceptions such as systems with atypical eigenstates. In this study, we investigate the effect of the existence…Ko Gondaira, Nobuo Furukawa, Daisuke Yamamoto·Nov 7, 2023SaveLearn
Spectral functions of the strongly interacting 3D Fermi gasComputing dynamical properties of strongly interacting quantum many-body systems poses a major challenge to theoretical approaches. Usually, one has to resort to numerical analytic continuation of…Christian H. Johansen, Bernhard Frank, Johannes Lang·Nov 7, 2023SaveLearn
Reentrant supersolidityA "supersolid" -- a crystal that exhibits an off-diagonal long-range order and a superflow -- has been a subject of much research since its first proposal [Andreev and Lifshitz 1969], but has…Leo Radzihovsky·Nov 7, 2023SaveLearn
A protocol to characterize errors in quantum simulation of many-body physicsQuantum simulation of many-body systems, particularly using ultracold atoms and trapped ions, presents a unique form of quantum control -- it is a direct implementation of a multi-qubit gate…Aditya Prakash, Bharath Hebbe Madhusudhana·Nov 6, 2023SaveLearn
Nonuniform Bose-Einstein condensate. II. Doubly coherent statesWe find stationary excited states of a one-dimensional system of N spinless point bosons with repulsive interaction and zero boundary conditions by numerically solving the time-independent…Maksim Tomchenko·Nov 6, 2023SaveLearn
Spontaneous Symmetry Breaking of Vortex Number in Binary Alternating Current CountersuperflowIn binary superfluid counterflow systems, vortex nucleation arises as a consequence of hydrodynamic instabilities when the coupling coefficient and counterflow velocity exceed the critical value.…Wei-can Yang, Makoto Tsubota, Hua-bi Zeng·Nov 6, 2023SaveLearn
Persistent Currents in Atomtronic Circuits of SU(N) FermionsUltracold atomic systems have emerged as strong contenders amongst the various quantum systems relevant for developing and implementing quantum technologies due to their enhanced control and…Wayne J. Chetcuti·Nov 6, 2023SaveLearn
Topological spin-orbit-coupled fermions beyond rotating wave approximationThe realization of spin-orbit-coupled ultracold gases has driven a wide range of researches and is typically based on the rotating wave approximation (RWA). By neglecting the counter-rotating terms,…Han Zhang, Wen-Wei Wang, Chang Qiao et al.·Nov 5, 2023SaveLearn
Polaritonic ultracold reactions: cavity controlled molecular photoassociationWe introduce a prototypical model for cavity polaritonic control of ultracold photochemistry by considering the resonant vibrational strong coupling of a rubidium dimer to a terahertz cavity. We…Vasil Rokaj, Simeon I. Mistakidis, H. R. Sadeghpour·Nov 4, 2023SaveLearn
Controlling Nonequilibrium Bose-Einstein Condensation with Engineered EnvironmentsOut of thermal equilibrium, bosonic quantum systems can Bose-condense away from the ground state, featuring a macroscopic occupation of an excited state or even of multiple states in the so-called…Francesco Petiziol, André Eckardt·Nov 3, 2023SaveLearn
Generalized cold-atom simulators for vacuum decayCold-atom analog experiments are a promising new tool for studying relativistic vacuum decay, enabling one to empirically probe early-Universe theories in the laboratory. However, existing proposals…Alexander C. Jenkins, Ian G. Moss, Thomas P. Billam et al.·Nov 3, 2023SaveLearn
Influence of a static electric field on a one-dimensional Bose-Fermi mixture confined in a double potential welllIn this study, we conducted a detailed investigation into the time evolution of the probability density within a 1D double-well potential hosting a Bose-Fermi mixture. This system comprised spinless…Avella Richard, Grajales Diana, Rubio Juan Pablo·Nov 3, 2023SaveLearn
Path-dependent correlations in dynamically tuned Ising models and its short-time behavior: application of Magnus expansionWe study the buildup of antiferromagnetic (AF) correlation in the dynamically tuned Ising models which are realized by the Rydberg atomic system. In short-time scale, we apply Magnus expansion (ME)…Xin Wang, Bo Yang, Bo Zhang et al.·Nov 3, 2023SaveLearn
Polariton Fluids as Quantum Field Theory Simulators on Tailored Curved SpacetimesQuantum fields in curved spacetime exhibit a wealth of effects like Hawking radiation from black holes. While quantum field theory in black holes can only be studied theoretically, it can be tested…Kévin Falque, Adrià Delhom, Quentin Glorieux et al.·Nov 2, 2023SaveLearn
Heating up quadruply quantized vortices: Splitting patterns and dynamical transitionsUsing holographic duality, we investigate the impact of finite temperature on the instability and splitting patterns of quadruply quantized vortices, providing the first-ever analysis in this…Shanquan Lan, Xin Li, Yu Tian et al.·Nov 2, 2023SaveLearn
Fermionic quantum mixtures with tunable interactionsThe topic of the present lecture notes are two-species quantum mixtures composed of a deeply degenerate Fermi gas and a second component, the latter being fermionic or bosonic. A key ingredient is…Rudolf Grimm, Cosetta Baroni·Nov 2, 2023SaveLearn
Peaks and widths of radio-frequency spectra: An analysis of the phase diagram of ultra-cold Fermi gasesWe provide a comprehensive theoretical study of the radio-frequency (rf) spectra of a two-component Fermi gas with balanced populations in the normal region of the temperature-vs-coupling phase…L. Pisani, M. Pini, P. Pieri et al.·Nov 1, 2023SaveLearn
Two-colour laser cooling for 40K-87Rb quantum gas mixturesWe present an efficient cooling scheme for fermionic 40K atoms, using laser light red and blue detuned with respect to the D2 and D1 principle flourescence…Yann Kiefer, Max Hachmann, Andreas Hemmerich·Nov 1, 2023SaveLearn