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


Abstract

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
Identification Number:
ValueType
10.1103/PhysRevB.81.081301DOI
Subjects:500 Science > 530 Physics
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Owner: Webmaster Grifoni
Deposited On:11 May 2012 09:42
Last Modified:13 Mar 2014 18:50
Item ID:24297
Owner Only: item control page

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