Please use this identifier to cite or link to this item: https://doi.org/10.1103/PhysRevA.87.042102
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dc.titleWigner rotations and an apparent paradox in relativistic quantum information
dc.contributor.authorSaldanha, P.L.
dc.contributor.authorVedral, V.
dc.date.accessioned2014-10-16T09:48:50Z
dc.date.available2014-10-16T09:48:50Z
dc.date.issued2013-04-03
dc.identifier.citationSaldanha, P.L., Vedral, V. (2013-04-03). Wigner rotations and an apparent paradox in relativistic quantum information. Physical Review A - Atomic, Molecular, and Optical Physics 87 (4) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevA.87.042102
dc.identifier.issn10502947
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/98587
dc.description.abstractIt is shown that a general model for particle detection in combination with a linear application of the Wigner rotations, which correspond to momentum-dependent changes of the particle spin under Lorentz transformations, to the state of a massive relativistic particle in a superposition of two counterpropagating momentum states leads to a paradox. The paradox entails the instantaneous transmission of information between two spatially separated parties. A solution to the paradox is given when the physical construction of the corresponding state is taken into account, suggesting that we cannot in general linearly apply the Wigner rotations to a quantum state without considering the appropriate physical interpretation. © 2013 American Physical Society.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1103/PhysRevA.87.042102
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentPHYSICS
dc.description.doi10.1103/PhysRevA.87.042102
dc.description.sourcetitlePhysical Review A - Atomic, Molecular, and Optical Physics
dc.description.volume87
dc.description.issue4
dc.description.page-
dc.description.codenPLRAA
dc.identifier.isiut000317097400003
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