156 citations
- Zhejiang UniversityCN7 papers
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- Beijing Institute of TechnologyCN1 paper
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5 papers · 1 filter
Quantum phase transition in the one-dimensional period-two and uniform compass model
Ke-Wei Sun, Yu-Yu Zhang, Qing-Hu Chen
Quantum phase transition in the one-dimensional period-two and uniform quantum compass model are studied by using the pseudo-spin transformation method and the trace map method. Th…
Collective excitations in one-dimensional ultracold Fermi gases: a comparative study
Wei Li, Gao Xianlong, Corinna Kollath +1
Time-dependent density-functional theory (TDDFT) is a powerful tool to study the non-equilibrium dynamics of inhomogeneous interacting many-body systems. Here we show that the simp…
Time-dependent current-density-functional theory of spin-charge separation and spin drag in one-dimensional ultracold Fermi gases
Gao Xianlong, Marco Polini, Diego Rainis +2
Motivated by the large interest in the non-equilibrium dynamics of low-dimensional quantum many-body systems, we present a fully-microscopic theoretical and numerical study of the…
Effects of disorder on atomic density waves and spin-singlet dimers in one-dimensional optical lattices
Gao Xianlong
Using the Bethe-ansatz density-functional theory, we study a one-dimensional Hubbard model of confined attractively interacting fermions in the presence of a uniformly distributed…
Spin density-functional theory for imbalanced interacting Fermi gases in highly elongated harmonic traps
Gao Xianlong, Reza Asgari
We numerically study imbalanced two component Fermi gases with attractive interactions in highly elongated harmonic traps. An accurate parametrization formula for the ground state…