Preprint
Many-body generalization of the Z2 topological invariant for the quantum spin Hall effect
Abstract
We propose a many-body generalization of the Z2 topological invariant for the
quantum spin Hall insulator, which does not rely on single-particle band
Authors
Lee S-S; Ryu S
Publication date
August 12, 2007
DOI
10.48550/arxiv.0708.1639
Preprint server
arXiv