Open AccessQuantum filtering in coherent states
Author(s) -
John Gough,
Claus Köstler
Publication year - 2010
Publication title -
communications on stochastic analysis
Language(s) - English
Resource type - Journals
eISSN - 2688-6669
pISSN - 0973-9599
DOI - 10.31390/cosa.4.4.04
Subject(s) - coherent states , quantum , field (mathematics) , state (computer science) , quantum state , statistical physics , mathematics , quantum mechanics , physics , theoretical physics , calculus (dental) , mathematical physics , algorithm , pure mathematics , medicine , dentistry
We derive the form of the Belavkin-Kushner-Stratonovich equation describing the filtering of a continuous observed quantum system via non-demolition measurements when the statistics of the input field used for the indirect measurement are in a general coherent state.
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