28 June 2015 to 3 July 2015
Africa/Johannesburg timezone
SAIP2015 Proceeding published on 17 July 2016

Projection operators in the theory of open quantum systems

1 Jul 2015, 14:40
20m
Oral Presentation Track G - Theoretical and Computational Physics TCP

Speaker

Dr Vitalii Semin (Quantum Research Group, School of Chemistry and Physics, University of Kwazulu-Natal)

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We study different forms of projection operators and their application to open quantum systems. In particular, we show that applying a special class of projection operators to open systems may lead to non-linear dynamical equations, while other projection operators always lead to linear equations. We discuss general features of linear and non-linear dynamical equations and connections between them. All the features of different projectors are illustrated by examples of a qubit in a thermal bath and two interacting qubits in a common environment.

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Primary author

Dr Vitalii Semin (Quantum Research Group, School of Chemistry and Physics, University of Kwazulu-Natal)

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