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Transverse entanglement migration in Hilbert space

Autor
Chan, K.; Juan P. Torres; Eberly, J.
Tipus d'activitat
Article en revista
Revista
Physical review A
Data de publicació
2007-05
Volum
75
Número
5
DOI
https://doi.org/10.1103/PhysRevA.75.050101 Obrir en finestra nova
URL
https://journals-aps-org/pra/abstract/10.1103/PhysRevA.75.050101 Obrir en finestra nova
Resum
We show that, although the amount of mutual entanglement of photons propagating in free space is fixed, the type of correlations between the photons that determine the entanglement can dramatically change during propagation. We show that this amounts to a migration of entanglement in Hilbert space, rather than real space. For the case of spontaneous parametric down-conversion, the migration of entanglement in transverse coordinates takes place from modulus to phase of the biphoton state and back...
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