Suppression of decoherence in a generalization of the spin-bath model

Details Suppression of decoherence in a generalization of the spin-bath model Suppression of decoherence in a generalization of the spin-bath model

2010-01-20

arxiv.org/abs/1001.3537v1

J. Phys. A: Math. Theor. 43 065304, 2010

Physics

Quantum Physics

18 pages, 7 figures

Scientific paper

10.1088/1751-8113/43/6/065304

The works on decoherence due to spin baths usually agree in studying a one-spin system in interaction with a large spin bath. In this paper we generalize those models by analyzing a many-spin system and by studying decoherence or its suppression in function of the relation between the numbers of spins of the system and the bath. This model may help to identify clusters of particles unaffected by decoherence, which, as a consequence, can be used to store quantum information.

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