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cond-mat.supr-con2013★ 28 cited
Tuning between singlet, triplet, and mixed pairing states in an extended Hubbard chain
Kuei Sun, Ching-Kai Chiu, Hsiang-Hsuan Hung +1
We study spin-half fermions in a one-dimensional extended Hubbard chain at low filling. We identify three triplet and one singlet pairing channels in the system, which are independ…
cond-mat.mes-hall2013★ 358 cited
Classification of topological insulators and superconductors in the presence of reflection symmetry
Ching-Kai Chiu, Hong Yao, Shinsei Ryu
We discuss a topological classification of insulators and superconductors in the presence of both (non-spatial) discrete symmetries in the Altland-Zirnbauer classification and spat…