A Quantum Field Theory Twist to Photon Angular Momentum

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A quantum field theory approach is put forward to generalize the concept of classical spatial light beams carrying orbital angular momentum to the single-photon level. This quantization framework is carried out both in the paraxial and nonparaxial regimes. Upon extension to the optical phase space, closed-form expressions are found for a photon Wigner representation describing transformations on the orbital Poincare sphere of unitarily related families of paraxial spatial modes.
10 pages, 1 figure

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Quantum Physics

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http://salesiana.dossiersoluciones.com/handle/123456789/93110

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/quant-ph/0509040
 http://arxiv.org/abs/quant-ph/0509040

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arXiv