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cond-mat.str-el2019★ 1 cited
A 1d lattice model for the boundary of the quantum spin-Hall insulator
Max A. Metlitski
We present a 1d lattice model that mimics the boundary of the conventional 2d quantum spin-Hall insulator (QSHI) with symmetry and time-reversal , satisfying $T^2 = (-1)^…
cond-mat.str-el2019
1d lattice models for the boundary of 2d "Majorana" fermion SPTs: Kramers-Wannier duality as an exact symmetry
Robert A. Jones, Max A. Metlitski
It is well known that symmetry protected topological (SPT) phases host non-trivial boundaries that cannot be mimicked in a lower-dimensional system with a conventional realization…