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Spins coupled to a spin bath: From integrability to chaos

Schliemann, John (2010) Spins coupled to a spin bath: From integrability to chaos. Phys. Rev. B 81, 081301.

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Date of publication of this fulltext: 11 May 2012 09:42

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Other URL: http://link.aps.org/doi/10.1103/PhysRevB.81.081301


Motivated by the hyperfine interaction of electron spins with surrounding nuclei, we investigate systems of central spins coupled to a bath of noninteracting spins in the framework of random matrix theory. With increasing number of central spins a transition from Poissonian statistics to the Gaussian orthogonal ensemble occurs which can be described by a generalized Brody distribution. These ...


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Item type:Article
Date:1 February 2010
Institutions:Physics > Institute of Theroretical Physics > Chair Professor Grifoni > Group John Schliemann
Projects:SFB 631: Festkörperbasierte Quanteninformationsverarbeitung
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Dewey Decimal Classification:500 Science > 530 Physics
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Item ID:24297
Owner only: item control page


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