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PreprintCC BY 4.0arXiv

On the Ising/tricritical-Ising interface: From W3 symmetry to Rydberg atoms

  • António Antunes
  • Junchen Rong
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Abstract

We consider interfaces between critical spin-chains in different universality classes, described in the continuum limit by defect/interface conformal field theory (DCFT/ICFT). We focus on a conformal interface between the Tricritical Ising (TIM) and the Ising CFT exploring the possibility of its experimental realizations in the context of Rydberg atom arrays. Our analysis emphasizes non-invertible symmetries and consistency under modular transformations, and uses defect couplings and the defect spectrum -- including in the case of mixed boundary conditions -- to make sharp experimental predictions. The structure of the observables hinges on a newly discovered pattern of emergent W3 chiral symmetry for the Tricritical-Ising/Ising interface.

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Cite

BibTeXRIS
BibTeX
@misc{antunes2026isingtricriticalising,
  title = {{On the Ising/tricritical-Ising interface: From $W_3$ symmetry to Rydberg atoms}},
  author = {António Antunes and Junchen Rong},
  howpublished = {arXiv},
  year = {2026},
  month = oct,
  doi = {10.48550/arxiv.2605.23848},
  eprint = {2605.23848},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2605.23848},
  note = {CC BY 4.0},
}
RIS
TY  - UNPB
TI  - On the Ising/tricritical-Ising interface: From W_3 symmetry to Rydberg atoms
AU  - António Antunes
AU  - Junchen Rong
PY  - 2026
DA  - 2026/10/22
PB  - arXiv
DO  - 10.48550/arxiv.2605.23848
UR  - https://arxiv.org/abs/2605.23848
AB  - We consider interfaces between critical spin-chains in different universality classes, described in the continuum limit by defect/interface conformal field theory (DCFT/ICFT). We focus on a conformal interface between the Tricritical Ising (TIM) and the Ising CFT exploring the possibility of its experimental realizations in the context of Rydberg atom arrays. Our analysis emphasizes non-invertible symmetries and consistency under modular transformations, and uses defect couplings and the defect spectrum -- including in the case of mixed boundary conditions -- to make sharp experimental predictions. The structure of the observables hinges on a newly discovered pattern of emergent W_3 chiral symmetry for the Tricritical-Ising/Ising interface.
ER  -