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November 24, 2025Physical review. B./Physical review. B

Analogs of deconfined quantum criticality for noninvertible symmetry breaking in one dimension

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Authors

YCYu-Hsueh ChenNational Taiwan UniversityTGTarun GroverUniversity of California, San Diego

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Implication

Theoretical analysis demonstrates deconfined quantum critical analogs in one-dimensional spin chains, highlighting novel pathways for noninvertible symmetry-breaking transitions.

Key Points

  • To investigate continuous phase transitions between distinct noninvertible symmetry-breaking phases in one-dimensional quantum systems.
  • Modeled second-order phase transitions across noninvertible symmetry-breaking regimes in one-dimensional spin chains.
  • Applied analytical bosonization and spin-flip symmetry gauging to map phase diagrams and characterize critical behavior.
  • Demonstrated that the critical point exhibits enlarged symmetry and identical critical exponents for both competing order parameters, directly mirroring deconfined quantum criticality.
  • Generated an entire family of analogous critical transitions via gauging, including a deconfined critical point between invertible order parameters enforced by noninvertible symmetry.

Cite This Study

Chen et al. (2025) studied this question.

synapsesocial.com/papers/6a0e9cc99504565763479cbbhttps://doi.org/10.1103/8tsg-q9j6
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