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cond-mat.quant-gas2013★ 2 cited
Long-range Order in One-dimensional Spinless Fermi Gas with Attractive Dipole-Dipole Interaction
Zhongbo Yan, Liang Chen, Shaolong Wan
One-dimensional spinless Fermi gas with attractive dipole-dipole interaction is investigated. Results obtained show when the interaction is weak, the excitation spectrum is linear…
cond-mat.quant-gas2013
Dirac Point Structure in a Bose-Einstein Condensate in a Honeycomb Optical Lattice
Zhongbo Yan, Xiaosen Yang, Shaolong Wan
We study the Bose-Einstein condensate in a honeycomb optical lattice within Bogoliubov theory and find that for a condensate, the Dirac points appear in the Bogoliubo…