title: Time-dependent current-density-functional theory of spin-charge separation and spin drag in one-dimensional ultracold Fermi gases.
abstract: Motivated by the large interest in the nonequilibrium dynamics of low-dimensional quantum many-body systems, we present a fully microscopic theoretical and numerical study of the charge and spin dynamics in a one-dimensional ultracold Fermi gas following a quench. Our approach, which is based on time-dependent current-density-functional theory, is applicable well beyond the linear-response regime and produces both spin-charge separation and spin-drag-induced broadening of the spin packets.
authors.affiliation: Department of Physics, Zhejiang Normal University, Jinhua, Zhejiang Province, 321004, China.
authors.forename: Gao
authors.initials: G
authors.lastname: Xianlong
authors.forename: Marco
authors.initials: M
authors.lastname: Polini
authors.forename: Diego
authors.initials: D
authors.lastname: Rainis
authors.forename: M P
authors.initials: MP
authors.lastname: Tosi
authors.forename: G
authors.initials: G
authors.lastname: Vignale