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Peer-reviewedCC BY 4.0Journal of High Energy Physics

CFT derivation of entanglement phase transition in pseudo entropy

  • Hiroki Kanda1
  • Tadashi Takayanagi1,2
  • Zixia Wei1,3
  1. 1Kyoto University
  2. 2Inamori Research Institute for Science
  3. 3Society of Fellows, Harvard University
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Abstract

A bstract : In this paper, we discuss the entanglement phase transition of pseudo entropy in CFTs. We focus on the case where the in-state and the out-state are different boundary states related by boundary condition changing operators. We compute the pseudo entropy with BCFT methods and find a phase transition with respect to the conformal weight of the boundary condition changing operators. For holographic CFTs, we confirm that the CFT results match that evaluated in AdS.

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Cite

BibTeXRIS
BibTeX
@article{kanda2026derivation,
  title = {{CFT derivation of entanglement phase transition in pseudo entropy}},
  author = {Hiroki Kanda and Tadashi Takayanagi and Zixia Wei},
  journal = {Journal of High Energy Physics},
  year = {2026},
  month = oct,
  doi = {10.1007/jhep10(2026)127},
  url = {https://link.springer.com/10.1007/JHEP10(2026)127},
  note = {CC BY 4.0},
}
RIS
TY  - JOUR
TI  - CFT derivation of entanglement phase transition in pseudo entropy
AU  - Hiroki Kanda
AU  - Tadashi Takayanagi
AU  - Zixia Wei
PY  - 2026
DA  - 2026/10/12
JO  - Journal of High Energy Physics
DO  - 10.1007/jhep10(2026)127
UR  - https://link.springer.com/10.1007/JHEP10(2026)127
AB  - A bstract : In this paper, we discuss the entanglement phase transition of pseudo entropy in CFTs. We focus on the case where the in-state and the out-state are different boundary states related by boundary condition changing operators. We compute the pseudo entropy with BCFT methods and find a phase transition with respect to the conformal weight of the boundary condition changing operators. For holographic CFTs, we confirm that the CFT results match that evaluated in AdS.
SN  - 1029-8479
ER  -