Quantum states and the Hadamard form. II. Energy minimization for spin- fields

Amir Homayoon Najmi; Adrian C. Ottewill

doi:10.1103/PhysRevD.30.2573

Quantum states and the Hadamard form. II. Energy minimization for spin- fields

Amir Homayoon Najmi, Adrian C. Ottewill

Research output: Contribution to journal › Article › peer-review

23 Scopus citations

Abstract

We investigate properties of the states of a Hermitian spin- field in a Robertson-Walker spacetime constructed by an energy-minimization requirement. It is shown that the singularity structure of the commutator function [(x),(x)] for these states is such that current renormalization theory yields an infinite value for the renormalized expectation value of the trace of the stress tensor.

Original language	English (US)
Pages (from-to)	2573-2578
Number of pages	6
Journal	Physical Review D
Volume	30
Issue number	12
DOIs	https://doi.org/10.1103/PhysRevD.30.2573
State	Published - 1984
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1103/PhysRevD.30.2573

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abstract = "We investigate properties of the states of a Hermitian spin- field in a Robertson-Walker spacetime constructed by an energy-minimization requirement. It is shown that the singularity structure of the commutator function [(x),(x)] for these states is such that current renormalization theory yields an infinite value for the renormalized expectation value of the trace of the stress tensor.",

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AB - We investigate properties of the states of a Hermitian spin- field in a Robertson-Walker spacetime constructed by an energy-minimization requirement. It is shown that the singularity structure of the commutator function [(x),(x)] for these states is such that current renormalization theory yields an infinite value for the renormalized expectation value of the trace of the stress tensor.

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Quantum states and the Hadamard form. II. Energy minimization for spin- fields

Abstract

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