On ℤ2-indices for ground states of fermionic chains
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Publication:5148349
DOI10.1142/S0129055X20500282zbMath1453.81057arXiv1905.11556OpenAlexW3101136752MaRDI QIDQ5148349
Hermann Schulz-Baldes, Chris Bourne
Publication date: 3 February 2021
Published in: Reviews in Mathematical Physics (Search for Journal in Brave)
Full work available at URL: https://arxiv.org/abs/1905.11556
Noncommutative geometry methods in quantum field theory (81T75) Many-body theory; quantum Hall effect (81V70) Spectral flows (58J30)
Related Items (6)
A \(\mathbb{Z}_2\)-topological index for quasi-free fermions ⋮ Locally equivalent quasifree states and index theory ⋮ The split and approximate split property in 2D systems: stability and absence of superselection sectors ⋮ The KO-valued spectral flow for skew-adjoint Fredholm operators ⋮ Rigorous index theory for one-dimensional interacting topological insulators ⋮ The classification of symmetry protected topological phases of one-dimensional fermion systems
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