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- Title
Effective dephasing for a qubit interacting with a transverse classical field.
- Authors
Benedetti, Claudia; Paris, Matteo G. A.
- Abstract
We address the dynamics of a qubit interacting with a quasi static random classical field having both a longitudinal and a transverse component and described by a Gaussian stochastic process. In particular, we analyze in detail the conditions under which the dynamics may be effectively approximated by a unitary operation or a pure dephasing without relaxation.
- Subjects
QUBITS; CLASSICAL field theory; STATICS; STOCHASTIC processes; GAUSSIAN processes; DECOHERENCE (Quantum mechanics)
- Publication
International Journal of Quantum Information, 2014, Vol 12, Issue 2, p-1
- ISSN
0219-7499
- Publication type
Article
- DOI
10.1142/S0219749914610048