Published July 2008
| Published + Submitted
Journal Article
Open
Geometrically induced singular behavior of entanglement
Abstract
We show that the geometry of the set of quantum states plays a crucial role in the behavior of entanglement in different physical systems. More specifically, it is shown that singular points at the border of the set of unentangled states originate singularities in the dynamics of entanglement of smoothly varying quantum states. We illustrate this result by implementing a photonic parametric down-conversion experiment. Moreover, this effect is connected to recently discovered singularities in condensed matter models.
Additional Information
© 2008 American Physical Society. Received 31 August 2007; published 10 July 2008. We acknowledge discussions with A. Acín, A. Sen(De), J. Wehr, E. Rico, G. Palacios, V. Vedral, and J. Dunningham and funding from CNPq, Fapemig, PRPq-UFMG, and the Brazilian Millenium Institute for Quantum Information.Attached Files
Published - PhysRevA.78.012318.pdf
Submitted - 0709.0301v2.pdf
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PhysRevA.78.012318.pdf
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Additional details
- Eprint ID
- 67302
- Resolver ID
- CaltechAUTHORS:20160524-104623826
- Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
- Fundaçã de Amparo a Pesquisa de Minas Gerais (FAPEMIG)
- PRPq-UFMG
- Brazilian Millenium Institute for Quantum Information
- Created
-
2016-05-24Created from EPrint's datestamp field
- Updated
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2021-11-11Created from EPrint's last_modified field