Density matrix embedding from broken symmetry lattice mean fields
Several variants of the recently proposed density matrix embedding theory (DMET)[G. Knizia
and G. KL. Chan, Phys. Rev. Lett. 109, 186404 (2012) PRLTAO 0031-9007 …
and G. KL. Chan, Phys. Rev. Lett. 109, 186404 (2012) PRLTAO 0031-9007 …
Universal quantum behavior of interacting fermions in one-dimensional traps: From few particles to the trap thermodynamic limit
We investigate the ground-state properties of trapped fermion systems described by the
Hubbard model with an external confining potential. We discuss the universal behaviors of …
Hubbard model with an external confining potential. We discuss the universal behaviors of …
Single-particle excitations and metal-insulator transition of ultracold Fermi atoms in one-dimensional optical lattice with spin-orbit coupling
R Han, F Yuan, H Zhao - Europhysics Letters, 2022 - iopscience.iop.org
The dynamic structure factors reflecting the excitation spectra were investigated in a one-
dimensional (1D) optical lattice with a spin-orbit coupling (SOC) effect. The results reveal …
dimensional (1D) optical lattice with a spin-orbit coupling (SOC) effect. The results reveal …
Boson core compressibility
Strongly interacting atoms trapped in optical lattices can be used to explore phase diagrams
of Hubbard models. Spatial inhomogeneity due to trap** typically obscures distinguishing …
of Hubbard models. Spatial inhomogeneity due to trap** typically obscures distinguishing …
Harmonically trapped one-dimensional Fermi gas using the static fluctuation approximation
A system of a finite number of harmonically trapped fermions in one dimension, in the
presence of a static magnetic field, is studied within the framework of the static fluctuation …
presence of a static magnetic field, is studied within the framework of the static fluctuation …
Thermal versus quantum fluctuations of optical-lattice fermions
We show that, for fermionic atoms in a one-dimensional optical lattice, the fraction of atoms
in doubly occupied sites is a highly nonmonotonic function of temperature. We demonstrate …
in doubly occupied sites is a highly nonmonotonic function of temperature. We demonstrate …
Spin diffusion of lattice fermions in one dimension
AP Snyder, TN De Silva - Physical Review A—Atomic, Molecular, and Optical …, 2012 - APS
We study long-time spin diffusion of harmonically trapped lattice fermions in one dimension.
Combining thermodynamic Bethe ansatz approach and local-density approximation, we …
Combining thermodynamic Bethe ansatz approach and local-density approximation, we …
Polarization-induced phase separation and re-entrant transition of two-component fermions in a one-dimensional lattice
TN De Silva - Physical Review A, 2015 - APS
By investigating the compressibility of one-dimensional lattice fermions at various filling
factors, we study the phase separation and re-entrant transition within the framework of the …
factors, we study the phase separation and re-entrant transition within the framework of the …
[PDF][PDF] 有限温度下一维 Gaudin-Yang 模型的热力学性质
张天宝， 俞玄**， 陈阿海 - 物理学报, 2015 - wulixb.iphy.ac.cn
本文通过数值求解有限温度下一维均匀费米Gaudin-Yang 模型的热力学Bethe-ansatz 方程,
研究了此模型的基本性质, 得到了在给定的温度或给定的相互作用下, 化学势, 相互作用 …
研究了此模型的基本性质, 得到了在给定的温度或给定的相互作用下, 化学势, 相互作用 …