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125 papers · 1 filter
Coherent transport in two-dimensional disordered potentials under spatially uniform SU(2) gauge fields
Masataka Kakoi, Christian Miniatura, Keith Slevin
We study interference effects in the dynamics of a spin- particle propagating in two dimensions in a disordered potential and subject to a generalized spin-orbit coupling. Wit…
Josephson Dynamics in 2D Ring-shaped Condensates
Koon Siang Gan, Vijay Pal Singh, Luigi Amico +1
We investigate Josephson transport in a fully closed, two-dimensional superfluid circuit formed by a ring-shaped 87Rb Bose-Einstein condensate that contains two optical barriers ac…
Probing non-ergodicity and symmetry via coherent forward scattering in a shaken rotor
F. Arrouas, J. Hébraud, N. Ombredane +9
The Coherent Backscattering (CBS) peak is a well-known interferential signature of weak localization in disordered or chaotic systems. More recently, a second interference feature…
Single-particle-exact density functional theory
Martin-Isbjörn Trappe, Jun Hao Hue, Jonah Huang Zi Chao +4
We introduce 'single-particle-exact density functional theory' (1pEx-DFT), a novel density functional approach that represents all single-particle contributions to the energy with…
Bogoliubov excitations driven by thermal lattice phonons in a quantum fluid of light
Irénée Frérot, Amit Vashisht, Martina Morassi +5
The elementary excitations in weakly interacting quantum fluids have a non-trivial nature which is at the basis of defining quantum phenomena such as superfluidity. These excitatio…
Thermal suppression of demixing dynamics in a binary condensate
Vijay Pal Singh, Luigi Amico, Ludwig Mathey
We investigate the demixing dynamics in a binary two-dimensional (2D) Bose superfluid using classical-field dynamics. By quenching the interspecies interaction parameter, we identi…