Published May 19, 2008
| Version v1
Journal article
Coherent states and global entanglement in an N qubit system
Creators
- 1. Department of Theoretical Physics, University of Szeged (Hungary)
Description
We consider an N qubit system and show that in the symmetric subspace, S, a pure state is not globally entangled, iff it is a coherent state. It is also proven that in the orthogonal complement Sperpendicular all states are globally entangled
Availability note (English)
Available from http://dx.doi.org/10.1016/j.physleta.2008.03.006Additional details
Identifiers
- DOI
- 10.1016/j.physleta.2008.03.006;
- arXiv
- arXiv:0709.3728v2;
- PII
- S0375-9601(08)00382-4;
Publishing Information
- Journal Title
- Physics Letters. A
- Journal Volume
- 372
- Journal Issue
- 21
- Journal Page Range
- p. 3792-3795
- ISSN
- 0375-9601
- CODEN
- PYLAAG
INIS
- Country of Publication
- Netherlands
- Country of Input or Organization
- International Atomic Energy Agency (IAEA)
- INIS RN
- 40046401
- Subject category
- S71: CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS;
- Descriptors DEI
- ANNIHILATION OPERATORS; EIGENSTATES; ORTHOGONAL TRANSFORMATIONS; QUANTUM ENTANGLEMENT; QUANTUM INFORMATION; QUANTUM MECHANICS; QUBITS; SYMMETRY
- Descriptors DEC
- INFORMATION; MATHEMATICAL OPERATORS; MECHANICS; QUANTUM INFORMATION; QUANTUM OPERATORS; TRANSFORMATIONS
Optional Information
- Copyright
- Copyright (c) 2008 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.