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 | ||||
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| Date: | 1 February 2010 | ||||
| Institutions: | Physics > Institute of Theroretical Physics > Chair Professor Grifoni > Group John Schliemann | ||||
| Projects: | SFB 631: Festkörperbasierte Quanteninformationsverarbeitung | ||||
| Identification Number: |
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| Dewey Decimal Classification: | 500 Science > 530 Physics | ||||
| Status: | Published | ||||
| Refereed: | Yes, this version has been refereed | ||||
| Created at the University of Regensburg: | Yes | ||||
| Item ID: | 24297 |
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