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The series product for gaussian quantum input processes

Gough, J.E.; James, Matthew


We present a theory for connecting quantum Markov components into a network with quantum input processes in a Gaussian state (including thermal and squeezed). One would expect on physical grounds that the connection rules should be independent of the state of the input to the network. To compute statistical properties, we use a version of Wicks' theorem involving fictitious vacuum fields (Fock space based representation of the fields) and while this aids computation, and gives a rigorous...[Show more]

CollectionsANU Research Publications
Date published: 2017
Type: Journal article
Source: Reports on Mathematical Physics
DOI: 10.1016/S0034-4877(17)30024-1


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