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Dynamics of momentum entanglement in lowest-order QED

AuthorsLamata, Lucas ; León, Juan ; Solano, E.
Issue Date24-Jan-2006
PublisherAmerican Physical Society
CitationPhysical review A 73: 012335 (2006)
AbstractWe study the dynamics of momentum entanglement generated in the lowest-order QED interaction between two massive spin- 1 2 charged particles, which grows in time as the two fermions exchange virtual photons. We observe that the degree of generated entanglement between interacting particles with initial well-defined momentum can be infinite. We explain this divergence in the context of entanglement theory for continuous variables, and show how to circumvent this apparent paradox. Finally, we discuss two different possibilities of transforming momentum into spin entanglement, through dynamical operations or through Lorentz boosts. © 2006 The American Physical Society.
Description10 págs.; 7 figs.; 2 apps.; PACS number s : 03.67.Mn, 12.20. m, 03.65.Ud
Publisher version (URL)http.//dx.doi.org/10.1103/PhysRevA.73.012335
Identifiersdoi: 10.1103/PhysRevA.73.012335
issn: 1050-2947
Appears in Collections:(CFMAC-IFF) Artículos
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