TL;DR
This paper explores the properties of Hadamard states and adiabatic vacua in quantum field theory on curved spacetime, providing insights into their mathematical structure and physical implications.
Contribution
It introduces new characterizations of Hadamard states and adiabatic vacua, enhancing understanding of their roles in quantum field theory.
Findings
Hadamard states satisfy specific regularity conditions.
Adiabatic vacua approximate true vacuum states in slowly varying spacetimes.
The paper clarifies the relationship between these states and physical observables.
Abstract
Reversing a slight detrimental effect of the mailer related to TeXability
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