Entanglement condition via su(2) and su(1,1) algebra using Schrodinger-Robertson uncertainty relation

Nha, Hyunchul (2007) Entanglement condition via su(2) and su(1,1) algebra using Schrodinger-Robertson uncertainty relation. Physical Review A, 76 1: 014305-1-014305-4. doi:10.1103/PhysRevA.76.014305

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Author Nha, Hyunchul
Title Entanglement condition via su(2) and su(1,1) algebra using Schrodinger-Robertson uncertainty relation
Journal name Physical Review A   Check publisher's open access policy
ISSN 1050-2947
1094-1622
Publication date 2007
Sub-type Article (original research)
DOI 10.1103/PhysRevA.76.014305
Open Access Status File (Publisher version)
Volume 76
Issue 1
Start page 014305-1
End page 014305-4
Total pages 4
Place of publication College Pk
Publisher Amer Physical Soc
Collection year 2008
Language eng
Abstract The Schrodinger-Robertson inequality generally provides a stronger bound on the product of uncertainties for two noncommuting observables than the Heisenberg uncertainty relation, and as such it can yield a stricter separability condition in conjunction with partial transposition. In this paper, using the Schrodinger-Robertson uncertainty relation, the separability condition previously derived from the su(2) and su(1,1) algebra is made stricter and refined to a form invariant with respect to local phase shifts. Furthermore, a linear optical scheme is proposed to test this invariant separability condition.
Keyword Optics
Physics, Atomic, Molecular & Chemical
Continuous-variable Systems
Separability Criterion
Q-Index Code C1
Q-Index Status Confirmed Code

Document type: Journal Article
Sub-type: Article (original research)
Collection: 2008 Higher Education Research Data Collection
 
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Created: Mon, 18 Feb 2008, 14:34:54 EST