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EPSRC Reference: GR/R78404/01
Title: Analysis and Control of Quantum Systems - Measurement, Filtering and Decoherence
Principal Investigator: Gough, Professor JE
Other Investigators:
Researcher Co-Investigators:
Project Partners:
Department: Computing & Mathematics
Organisation: Nottingham Trent University
Scheme: Fast Stream
Starts: 02 December 2002 Ends: 01 December 2004 Value (£): 52,854
EPSRC Research Topic Classifications:
Mathematical Analysis Mathematical Physics
EPSRC Industrial Sector Classifications:
Communications No relevance to Underpinning Sectors
Related Grants:
Panel History:  
Summary on Grant Application Form
Describe the proposed research in about 200 words.We propose to develop a mathematical framework for problems in quantum control. The motivation comes from several developments in quantum stochastic processes, quantum stochastic limits, quantum white noise analysis, and decoherence. Working with a postdoctoral student, we wish to give a systematic derivation of the Schrodinger-Belavkin equation as a quantum stochastic limit of a physically realizable model. We wish to investigate several new features - measurement schemes leading to Levy noise, shemes for measuring non-commuting systems variables, etc. We also wish to study current mathematical inconsistencies reported about the real-time and the long-time descriptions of quantum noise in decoherence phenomena.The project will draw on the expertise of Prof. J. Kupsch (an expert in decoherence and mathematical descriptions of open quantum systems) and his collaborator Prof. O.G. Smolianov (an expert in infinite dimensional analysis, who has recently worked on the path-integral formulation of continuous monitoring and Belavkin's equation): they shall be invited for a combined 5 month period as visiting fellows. We wish to develop a new quantum white noise analysis in which the Stratonovich-Ito conversion comes about by normal-ordering; preliminary investigations show that this gives a very powerful and direct treatment of quantum feedback systems.
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Organisation Website: http://www.ntu.ac.uk