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  Transverse angular momentum of photons

Aiello, A., Marquardt, C., & Leuchs, G. (2010). Transverse angular momentum of photons. PHYSICAL REVIEW A, 81(5): 053838. doi:10.1103/PhysRevA.81.053838.

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Aiello, Andrea1, Autor           
Marquardt, Christoph2, Autor           
Leuchs, Gerd3, Autor           
Affiliations:
1Optical Quantum Information Theory, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364705              
2Quantum Information Processing, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364707              
3Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364698              

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Schlagwörter: IMBERT-FEDOROV SHIFTS; PARAXIAL WAVE OPTICS; QUANTUM OPTICS; GOOS-HANCHEN; LIGHT-BEAMS; LASER-BEAMS; MAXWELL; FIELDS; SPINOptics; Physics;
 Zusammenfassung: We develop the quantum theory of transverse angular momentum of light beams. The theory applies to paraxial and quasiparaxial photon beams in vacuum and reproduces the known results for classical beams when applied to coherent states of the field. Both the Poynting vector, alias the linear momentum, and the angular-momentum quantum operators of a light beam are calculated including contributions from first-order transverse derivatives. This permits a correct description of the energy flow in the beam and the natural emergence of both the spin and the angular momentum of the photons. We show that for collimated beams of light, orbital angular-momentum operators do not satisfy the standard commutation rules. Finally, we discuss the application of our theory to some concrete cases.

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Sprache(n): eng - English
 Datum: 2010
 Publikationsstatus: Online veröffentlicht
 Seiten: 9
 Ort, Verlag, Ausgabe: -
 Inhaltsverzeichnis: -
 Art der Begutachtung: -
 Identifikatoren: ISI: 000278140000199
DOI: 10.1103/PhysRevA.81.053838
 Art des Abschluß: -

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Titel: PHYSICAL REVIEW A
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA : AMER PHYSICAL SOC
Seiten: - Band / Heft: 81 (5) Artikelnummer: 053838 Start- / Endseite: - Identifikator: ISSN: 1050-2947