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Local Thermal Equilibrium States and Unruh Detectors in Quantum Field Theory

Jan Schlemmer
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Abstract

In the framework of local thermodynamic equilibrium by Buchholz, Ojima and Roos, a class S_x of observables, whose members are supposed to model idealized measurements of thermal properties of given states at spacetime points x, plays a crucial role in determining and characterizing local equilibrium states in quantum field theory. Here it will be shown how elements from this space can be reproduced by a specific model of the idealized measurements modeled by an Unruh-de Witt detector.

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Jan Schlemmer. 2007-02-13. Local Thermal Equilibrium States and Unruh Detectors in Quantum Field Theory. https://arxiv.org/abs/hep-th/0702096

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