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Proceedings Paper

Models of short-time qubit decoherence
Author(s): Dmitry Solenov; Vladimir Privman
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Paper Abstract

We compare approaches to evaluation of decoherence at low temperatures in two-state quantum systems weakly coupled to the environment. By analyzing an exactly solvable model, we demonstrate that a non-Markovian approximation scheme yields good quality estimates of the reduced density matrix for time scales appropriate for evaluation of quantum computing designs.

Paper Details

Date Published: 24 August 2004
PDF: 15 pages
Proc. SPIE 5436, Quantum Information and Computation II, (24 August 2004); doi: 10.1117/12.541458
Show Author Affiliations
Dmitry Solenov, Clarkson Univ. (United States)
Vladimir Privman, Clarkson Univ. (United States)

Published in SPIE Proceedings Vol. 5436:
Quantum Information and Computation II
Eric Donkor; Andrew R. Pirich; Howard E. Brandt, Editor(s)

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