A curiosity concerning the role of coherent states in quantum field theory

Abhay Ashtekar, Anne Magnon-Ashtekar

Research output: Contribution to journalArticlepeer-review

28 Scopus citations

Abstract

In the usual Fock quantisation of fields in Minkowski space-time, one has the result that the expectation value of the quantum Hamiltonian in any coherent state equals the energy of the classical field at which the state is peaked. It is shown that this property can be used to characterise the usual Fock representation. It is also pointed out that the entire analysis goes through for a substantially more general class of systems including, in particular, Bose fields in arbitrary stationary space-times.

Original languageEnglish (US)
Pages (from-to)107-115
Number of pages9
JournalPramana
Volume15
Issue number1
DOIs
StatePublished - Jul 1 1980

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy

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