Intrinsically/purely gapless-SPT from non-invertible duality transformations

Intrinsically/purely gapless-SPT from non-invertible duality transformations

The Kennedy-Tasaki (KT) transformation was used to construct the gapped symmetry protected topological (SPT) phase from the symmetry breaking phase with open boundary condition, and was generalized in our proceeding work [Phys. Rev. B 108, 214429 (2023)] on a ring by sacrificing the unitarity, and s...

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Bibliographic Details
Main Author: Linhao Li, Masaki Oshikawa, Yunqin Zheng
Format: Article
Language:English
Published: SciPost 2025-05-01
Series:SciPost Physics
Online Access:https://scipost.org/SciPostPhys.18.5.153
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