For spectrally gapped, time-reversal-invariant, exponentially local 2D Hamiltonians, the Z2 bulk index equals the mod-2 index of an edge Fredholm operator.
et al.: Topological insulators and superconduct ors: tenfold way and dimensional hierarchy
1 Pith paper cite this work. Polarity classification is still indexing.
1
Pith paper citing it
fields
math-ph 1years
2019 1verdicts
ACCEPT 1representative citing papers
citing papers explorer
-
Two-Dimensional Time-Reversal-Invariant Topological Insulators via Fredholm Theory
For spectrally gapped, time-reversal-invariant, exponentially local 2D Hamiltonians, the Z2 bulk index equals the mod-2 index of an edge Fredholm operator.