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Creators/Authors contains: "Maj, Antonina"

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  1. ; (, Physical Review D)
    We consider the vacuum wave function of a free scalar field theory in space partitioned into two regions, with the field obeying Robin conditions (of parameter κ ) on the interface. A direct integration over fields in a subregion is carried out to obtain the reduced density matrix. This leads to a constructive proof of the Reeh-Schlieder theorem. We analyze the entanglement entropy as a function of the Robin parameter κ . We also consider a specific conditional probability as another measure of entanglement which is more amenable to analysis of the dependence on interface conditions. Finally, we discuss a direct calculation of correlation functions and how it gives an alternate route to the reduced density matrix. Published by the American Physical Society2025 
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    Free, publicly-accessible full text available May 1, 2026
  2. ; ; (, Physical Review D)
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  3. ; ; (, Physical Review D)
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