On the K-theoretic classification of dynamically stable systems

Abstract

This paper deals with the construction of a suitable topological $K$-theory capable of classifying topological phases of dynamically stable systems described by gapped $\eta$-self-adjoint operators on a Krein space with indefinite metric $\eta$.

arXiv commentKeywords: K-theory, topological phases, Krein spaces, PT and c symmetries. 53 pg.; 8 Tables. v2: correction of few typos. Final version accepted for publication on RMP

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Cited by in corpus (7)

• Exceptional Topology of Non-Hermitian Systems
• The Krein-Schrödinger Formalism of Bosonic BdG and Certain Classical Systems and Their Topological Classification
• Chiral Maxwell waves in continuous media from Berry monopoles
• Squeezing-induced Topological Gap Opening on Bosonic Bogoliubov Excitations
• Twisted crystallograpic T-duality via the Baum--Connes isomorphism
• The cohomology invariant for class DIII topological insulators
• Topological bosonic Bogoliubov excitations with sublattice symmetry