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Bundle Gerbes for Topological Insulators by Gawedzki, Krzysztof is a scholarly article available to read on EtoBox.

What is Bundle Gerbes for Topological Insulators about?

Bundle gerbes are simple examples of higher geometric structures that show their utility in dealing with topological subtleties of physical theories. I review a recent construction of torsion topological invariants for condensed matter systems via equivariant bundle gerbes. The construction covers static and periodically driven systems with time reversal invariance in 2 and 3 space dimensions. It involves refinements of geometry of gerbes that are discussed in the first lecture, the second one being devoted to the applications to topological insulators.

Author

Gawedzki, Krzysztof

Published

2015

Language

EN