How entangled pairs act as measuring rods on manifolds of generalized coherent states
Journal Article
·
· Physical Review. A
- Department of Physics, University of Maryland, College Park, Maryland 20742 (United States)
Generalized coherent states arise from reference states by the action of locally compact transformation groups and thereby form manifolds on which there is an invariant measure. It is shown that this implies the existence of canonically associated Bell states that serve as measuring rods by relating the metric geometry of the manifold to the observed Einstein-Podolsky-Rosen (EPR) correlations. It is further shown that these correlations can be accounted for by a hidden variable theory which is nonlocal but invariant under the stability group of the reference state.
- OSTI ID:
- 20632249
- Journal Information:
- Physical Review. A, Vol. 66, Issue 5; Other Information: DOI: 10.1103/PhysRevA.66.052108; (c) 2002 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 1050-2947
- Country of Publication:
- United States
- Language:
- English
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