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Magnetic properties of spin-1/2 Fermi gases with ferromagnetic interaction
Baobao Wang, Jihong Qin, Huaiming Guo
We investigate the magnetic properties of spin- charged Fermi gases with ferromagnetic coupling via mean-field theory, and find the interplay among the paramagnetism, diamagne…
Kaleidoscope of symmetry protected topological phases in one-dimensional periodically modulated lattices
Huaiming Guo, Shu Chen
We identify the existence of various symmetry-protected topological states in one-dimensional superlattices with periodically modulated hopping amplitudes or on-site potentials, wh…
Dimensional evolution between one- and two-dimensional topological phases
Huaiming Guo, Lin Yang, Shun-Qing Shen
Dimensional evolution between one- () and two-dimensional () topological phases is investigated systematically. The crossover from a topological insulator to its …
Interaction-driven phases in a Dirac Semimetal: Exact Diagonalization Results
Huaiming Guo, Yongfei Jia
The interaction-driven phases in the Dirac semimetal (SM) of the flux model on square lattice are studied with nearest-(NN), next-nearest- (NNN) and next-next-nearest-neighbor…