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most citedIntrinsic mixed-state SPT from modulated symmetries and hierarchical structure of anomaly

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Intrinsic mixed-state SPT from modulated symmetries and hierarchical structure of anomaly

Yizhi You, Masaki Oshikawa

We introduce a class of intrinsic symmetry-protected topological mixed-state(mSPT) in open quantum systems that feature modulated symmetries, such as dipole and subsystem symmetrie…

quant-ph2024

Spontaneous Strong Symmetry Breaking in Open Systems: Purification Perspective

Pablo Sala, Sarang Gopalakrishnan, Masaki Oshikawa +1

We explore the landscape of the decoherence effect in mixed-state ensembles from a purification perspective. We analyze the spontaneous strong-to-weak symmetry breaking (SSSB) in m…