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One-plaquette model with fermions in the framework of the topological expansion

✍ Scribed by S. I. Azakov; É. S. Aliev

Book ID
112461931
Publisher
SP MAIK Nauka/Interperiodica
Year
1986
Tongue
English
Weight
660 KB
Volume
67
Category
Article
ISSN
0040-5779

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In this paper we show how the classification of topological phases in insulators and superconductors is changed by interactions, in the case of one-dimensional systems. We focus on the time-reversal-invariant Majorana chain (BDI symmetry class). While the band classification yields an integer topolo