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cond-mat.supr-con2003★ 8 cited
Zero-energy edge states and their origin in particle-hole symmetric systems: symmetry and topology
S. Ryu, Y. Hatsugai
We propose a criterion to determine the existence of zero-energy edge states for a class of particle-hole symmetric systems. A loop is assigned for each system, and its topology an…
cond-mat.supr-con2003
Dirac Monopole and Spin Hall Conductance for Anisotropic Superconductivities
Y. Hatsugai, S. Ryu
Concept of the topological order is useful to characterize anisotropic superconductivities. The spin Hall conductance distinguishes superconductivities with the same symmetry. The…