Locally equivalent quasifree states and index theory
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DOI: 10.1088/1751-8121/ac508b
Abstract: We consider quasifree ground states of Araki’s self-dual canonical anti-commutation relation algebra from the viewpoint of index theory and symmetry protected topological (SPT) phases. We first review how Clifford module indices characterise a topological obstruction… read more here.
Keywords: ground states; index theory; locally equivalent; equivalent quasifree ... See more keywords