Exactly solvable lattice Hamiltonians and gravitational anomalies

We construct infinitely many new exactly solvable local commuting projector lattice Hamiltonian models for general bosonic beyond group cohomology invertible topological phases of order two and four in any spacetime dimensions, whose boundaries are characterized by gravitational anomalies. Examples...

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Bibliographic Details
Main Author: Yu-An Chen, Po-Shen Hsin
Format: Article
Language:English
Published: SciPost 2023-05-01
Series:SciPost Physics
Online Access:https://scipost.org/SciPostPhys.14.5.089

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