Two splits, three ways: advances in double splitting quenches

A bstract In this work we introduce a method for calculating holographic duals of BCFTs with more than two boundaries. We apply it to calculating the dynamics of entanglement entropy in a 1+1d CFT that is instantaneously split into multiple segments and calculate the entanglement entropy as a functi...

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Bibliographic Details
Published in:The journal of high energy physics 2024-05, Vol.2024 (5), p.205-22, Article 205
Main Authors: Lap, Joseph Dominicus, Müller, Berndt, Schäfer, Andreas, Seidl, Clemens
Format: Article
Language:English
Subjects:
AdS-CFT Correspondence
Boundary conditions
Classical and Quantum Gravitation
Conformal Field Models in String Theory
Elementary Particles
Entanglement
Entropy
Holography and Condensed Matter Physics (AdS/CMT)
Physics
Physics and Astronomy
Quantum Field Theories
Quantum Field Theory
Quantum Physics
Quarks
Regular Article - Theoretical Physics
Relativity Theory
String Theory
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Summary:A bstract In this work we introduce a method for calculating holographic duals of BCFTs with more than two boundaries. We apply it to calculating the dynamics of entanglement entropy in a 1+1d CFT that is instantaneously split into multiple segments and calculate the entanglement entropy as a function of time for the case of two splits, showing that our approach reproduces earlier results for the double split case. Our manuscript lays the groundwork for future calculations of the entanglement entropy for more than two splits and systems at nonzero temperature.
ISSN:1029-8479
1029-8479
DOI:10.1007/JHEP05(2024)205