Relative entropy of single-mode squeezed states in Quantum Field Theory

Relative entropy of single-mode squeezed states in Quantum Field Theory

Abstract Utilizing the Tomita–Takesaki modular theory, we derive a closed-form analytic expression for the Araki–Uhlmann relative entropy between a single-mode squeezed state and the vacuum state in a free relativistic massive scalar Quantum Field Theory within wedge regions of Minkowski spacetime....

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Bibliographic Details
Main Authors: Marcelo S. Guimaraes, Itzhak Roditi, Silvio P. Sorella, Arthur F. Vieira
Format: Article
Language:English
Published: SpringerOpen 2025-06-01
Series:European Physical Journal C: Particles and Fields
Online Access:https://doi.org/10.1140/epjc/s10052-025-14413-5
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