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Título del libro: 14th Marcel Grossman Meeting On Recent Developments In Theoretical And Experimental General Relativity, Astrophysics And Relativistic Field Theories, Proceedings
Título del capítulo: General boundary treatment of the Unruh effect

Autores UNAM:
DANIELE COLOSI;
Autores externos:

Idioma:
Inglés
Año de publicación:
2018
Palabras clave:

Astrophysics; Relativity; Boundary treatment; Compact support; Expectation values; General boundary formulation; Local versions; Minkowski space; Quantum field theory; Unruh effect; Quantum theory


Resumen:

The general boundary formulation (GBF) of quantum theory is a new axiomatic formulation that has emerged as a powerful tool to describe the dynamics of quantum fields. Within the GBF we consider the Unruh effect by studying the relation between the quantum field theories of a massive scalar field in 2d Minkowski and Rindler spaces. In particular we underline the existence of an obstruction in the identification of the usual Minkowski vacuum state with a superposition of multiparticle states defined in Rindler space. However, we show that these two states can be related by comparing expectation values of Weyl observables with compact support on the right wedge of Minkowski space. Finally, the quantum state in Rindler space responsible for this local version of the Unruh effect results to be unique. Copyright © 2018 by the Editors.All rights reserved.


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