Adiabatic Vacua and Hadamard States for Scalar Quantum Fields on Curved Spacetime

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dc.creatorJunker, Wolfgang
dc.date1995-07-19
dc.date.accessioned2026-07-07T04:21:20Z
dc.date.available2026-07-07T04:21:20Z
dc.descriptionQuasifree states of a linear Klein-Gordon quantum field on globally hyperbolic spacetime manifolds are considered. Using techniques from the theory of pseudodifferential operators and wavefront sets on manifolds a criterion for a state to be an Hadamard state is developed. It is shown that ground- and KMS-states on certain static spacetimes and adiabatic vacuum states on Robertson-Walker spaces are Hadamard states. Finally, the problem of constructing Hadamard states on arbitrary curved spacetimes is solved in principle.
dc.description72 pages, Latex, 2 figures appended as uuencoded file
dc.identifierhttps://arxiv.org/abs/hep-th/9507097
dc.identifierhttp://arxiv.org/abs/hep-th/9507097
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/54273
dc.subjectHigh Energy Physics - Theory
dc.titleAdiabatic Vacua and Hadamard States for Scalar Quantum Fields on Curved Spacetime
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