Collisionless drag for a one-dimensional two-component Bose-Hubbard model

2020/09/30 by Daniele Contessi, Donato Romito, Matteo Rizzi +1
Physics and Astronomy · #Cold Atom Physics and Bose-Einstein Condensates #Condensed matter physics #Drag #Mechanics #Optical lattice #Physics #Physics of Superconductivity and Magnetism #Quantum, superfluid, helium dynamics #Spin (aerodynamics) #Superfluidity #cond-mat.quant-gas

paper · pdf · doi:10.1103/physrevresearch.3.l022017

published as Phys. Rev. Research 3, 022017 (2021) · 7 pages, 6 figures. Final version published as Letter in PRR

openalex publication_date 2021/05/28 · arxiv created 2021/05/31 · arxiv updated 2021/06/02 · openalex created_date 2021/06/22 · openalex updated_date 2026/08/05

Abstract

The authors study a one-dimensional two-component Bose-Hubbard ring by means of tensor network methods and provide numerical evidence of the Andreev-Bashkin collisionless superfluid drag and its sensible increase close to the pair-superfluid onset.

Citations

• Counterflow and paired superfluidity in one-dimensional Bose mixtures in optical lattices
• Commensurate Two-Component Bosons in an Optical Lattice: Ground State Phase Diagram
• Creating a supersolid in one-dimensional Bose mixtures
• Excitations in two-component Bose gases
• Spin-charge separation in two-component Bose gases
• The Physics of Neutron Stars
• Spin-dipole oscillation and polarizability of a binary Bose-Einstein condensate near the miscible-immiscible phase transition