• Anne Magnon-Ashtekar

      Articles written in Pramana – Journal of Physics

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

      Abhay Ashtekar Anne Magnon-Ashtekar

      More Details Abstract Fulltext PDF

      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 tocharacterise 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.

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