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 inThe journal of high energy physics Vol. 2024; no. 5; pp. 205 - 22
Main Authors Lap, Joseph Dominicus, Müller, Berndt, Schäfer, Andreas, Seidl, Clemens
Format Journal Article
LanguageEnglish
Published Berlin/Heidelberg Springer Berlin Heidelberg 16.05.2024
Springer Nature B.V
SpringerOpen
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
AdS-CFT Correspondence
Holography and Condensed Matter Physics (AdS/CMT)
Conformal Field Models in 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