Tower of two-dimensional scar states in a localized system

Iversen, Michael; Bardarson, Jens H.; Nielsen, Anne E. B.

doi:10.1103/physreva.109.023310

Phys. Rev. A

2024

DOI: 10.1103/physreva.109.023310

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Tower of two-dimensional scar states in a localized system

Michael Iversen,

Jens H. Bardarson,

Anne E. B. Nielsen

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2024

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Cited by 2 publications

References 85 publications

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Delocalization in a partially disordered interacting many-body system

Mondal,

Heidrich-Meisner

2024

Phys. Rev. B

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Delocalization in a partially disordered interacting many-body system

Mondal,

Heidrich-Meisner

2024

Phys. Rev. B

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Quasi-Nambu-Goldstone modes in many-body scar models

Ren,

Wang,

Fang

2024

Phys. Rev. B

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From the quasisymmetry-group perspective [J. Ren , ], we show the universal existence of collective, coherent modes of excitations in many-body scar models in the degenerate limit, where the energy spacing in the scar tower vanishes. The number of these modes, as well as the quantum numbers carried by them, are given, not by the symmetry of the Hamiltonian, but by the quasisymmetry of the scar tower: hence the name quasi-Nambu-Goldstone modes. Based on this, we draw a concrete analogy between the paradigm of spontaneous symmetry breaking and the many-body scar physics in the degenerate limit. Published by the American Physical Society 2024

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Tower of two-dimensional scar states in a localized system

Cited by 2 publications

References 85 publications

Delocalization in a partially disordered interacting many-body system

Delocalization in a partially disordered interacting many-body system

Quasi-Nambu-Goldstone modes in many-body scar models

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