Different types of integrability and their relation to decoherence in central spin models

Details Different types of integrability and their relation to decoherence in central spin models Different types of integrability and their relation to decoherence in central spin models

2010-06-25

arxiv.org/abs/1006.4983v2

Phys. Rev. Lett. 105, 177602 (2010)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, 3 figures

Scientific paper

10.1103/PhysRevLett.105.177602

We investigate the relation between integrability and decoherence in central spin models with more than one central spin. We show that there is a transition between integrability ensured by the Bethe ansatz and integrability ensured by complete sets of commuting operators. This has a significant impact on the decoherence properties of the system, suggesting that it is not necessarily integrability or nonintegrability which is related to decoherence, but rather its type or a change from integrability to nonintegrability.

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