Publication Date:
2014-12-05
Description:
Author(s): Tianxing Ma, Fan Yang, Hong Yao, and Hai-Qing Lin We study the Hubbard model on the honeycomb lattice with nearest-neighbor hopping (t〉0) and next-nearest-neighbor hopping (t ′ 〈0). When t ′ 〈−t/6, the single-particle spectrum is featured by the continuously distributed Van Hove saddle points at the band bottom, where the density of states div... [Phys. Rev. B 90, 245114] Published Thu Dec 04, 2014
Keywords:
Electronic structure and strongly correlated systems
Print ISSN:
1098-0121
Electronic ISSN:
1095-3795
Topics:
Physics
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