Published April 2005
| Version v1
Journal article
Entanglement and spin-squeezing properties for three bosons in two modes
Creators
- 1. Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139 (United States)
- 2. School of Physics, Georgia Institute of Technology, Atlanta, Georgia 30332 (United States)
- 3. Center for Advanced Study, Tsinghua University, Beijing 10084 (China)
- 4. Interdisciplinary Center of Theoretical Studies, Chinese Academy of Sciences, Beijing 10080 (China)
Description
We discuss the canonical form for a pure state of three identical bosons in two modes, and classify its entanglement correlation into two types, the analogous Green-Horne-Zeilinger and the W types as well known in systems of three distinguishable qubits. We have performed a detailed study of two important entanglement measures for such a system, the concurrence C and the triple entanglement measure τ. We have also calculated explicitly the spin squeezing parameter ξ and the result shows that the W state is the most 'antisqueezing' state, for which the spin-squeezing parameter cannot be regarded as an entanglement measure
Additional details
Identifiers
- DOI
- 10.1103/PhysRevA.71.042317;
- arXiv
- arXiv:quant-ph/0501082v2;
Publishing Information
- Journal Title
- Physical Review. A
- Journal Volume
- 71
- Journal Issue
- 4
- Journal Page Range
- p. 042317-042317.6
- ISSN
- 1050-2947
- CODEN
- PLRAAN
INIS
- Country of Publication
- United States
- Country of Input or Organization
- International Atomic Energy Agency (IAEA)
- INIS RN
- 36092859
- Subject category
- S74: ATOMIC AND MOLECULAR PHYSICS; S71: CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS;
- Descriptors DEI
- BOSONS; CORRELATIONS; ENERGY LEVELS; INFORMATION THEORY; QUANTUM MECHANICS; QUANTUM NUMBERS; SPIN
- Descriptors DEC
- ANGULAR MOMENTUM; MECHANICS; PARTICLE PROPERTIES
Optional Information
- Notes
- (c) 2005 The American Physical Society