Schliemann, John (2005) Entanglement in SU(2)-invariant quantum systems: The positive partial transpose criterion and others. Phys. Rev. A 72, 012307.
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Other URL: http://link.aps.org/doi/10.1103/PhysRevA.72.012307, http://pra.aps.org/abstract/PRA/v72/i1/e012307
Abstract
We study entanglement in mixed bipartite quantum states which are invariant under simultaneous SU(2) transformations in both subsystems. Previous results on the behavior of such states under partial transposition are substantially extended. The spectrum of the partial transpose of a given SU(2)-invariant density matrix ρ is entirely determined by the diagonal elements of ρ in a basis of ...
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| Item type: | Article | ||||
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| Date: | 11 July 2005 | ||||
| Institutions: | Physics > Institute of Theroretical Physics > Chair Professor Grifoni > Group John Schliemann | ||||
| 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: | No | ||||
| Item ID: | 28231 |
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