Open AccessStochastic decoherence of qubits
Author(s) -
K. Wódkiewicz
Publication year - 2001
Publication title -
optics express
Language(s) - Uncategorized
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.8.000145
Subject(s) - quantum decoherence , qubit , physics , quantum mechanics , master equation , stochastic process , bloch sphere , statistical physics , classical mechanics , quantum , mathematics , statistics
We study the stochastic decoherence of qubits using the Bloch equations and the Bloch sphere description of a two-level atom. We show that it is possible to describe a general decoherence process of a qubit by a stochastic map that is dependent on 12 independent parameters. Such a stochastic map is constructed with the help of the damping basis associated with a Master equation that describes the decoherence process of a qubit.