Topological nodal points in two coupled Su-Schrieffer-Heeger chains
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DOI: 10.1103/physrevb.96.125418
Abstract: We study two coupled Su-Schrieffer-Heeger (SSH) chains system, which is shown to contain rich quantum phases associated with topological invariants protected by symmetries. In the weak coupling region, the system supports two non-trivial topological insulating… read more here.
Keywords: two coupled; schrieffer heeger; topological nodal; nodal points ... See more keywords