57 citations · 178 across the 14 of their papers we have counts for
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cond-mat.str-el2016★ 57 cited
Symmetry Protected Topological Hopf Insulator and its Generalizations
Chunxiao Liu, Farzan Vafa, Cenke Xu
We study a class of and topological insulators whose topological nature is characterized by the Hopf map and its generalizations. We identify the symmetry $\mathcal{C}^\p…
cond-mat.mes-hall2016★ 32 cited
Chern-Simons Theory and Wilson Loops in the Brillouin Zone
Biao Lian, Cumrun Vafa, Farzan Vafa +1
Berry connection is conventionally defined as a static gauge field in the Brillouin zone. Here we show that for three-dimensional (3d) time-reversal invariant superconductors, a ge…