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Strong Field, noncommutative QED
Umeå University, Faculty of Science and Technology, Department of Physics.
Umeå University, Faculty of Science and Technology, Department of Physics.
Umeå University, Faculty of Science and Technology, Department of Physics.
2010 (English)In: SIGMA. Symmetry, Integrability and Geometry, ISSN 1815-0659, E-ISSN 1815-0659, Vol. 6, no 041, 27 pages- p.Article in journal (Refereed) Published
Abstract [en]

We review the effects of strong background fields in noncommutative QED. Beginning with the noncommutative Maxwell and Dirac equations, we describe how combined noncommutative and strong field effects modify the propagation of fermions and photons. We extend these studies beyond the case of constant backgrounds by giving a new and revealing interpretation of the photon dispersion relation. Considering scattering in background fields, we then show that the noncommutative photon is primarily responsible for generating deviations from strong field QED results. Finally, we propose a new method for constructing gauge invariant variables in noncommutative QED, and use it to analyse the physics of our null background fields.

Place, publisher, year, edition, pages
2010. Vol. 6, no 041, 27 pages- p.
Keyword [en]
noncommutative QED, background fields
National Category
Physical Sciences
Research subject
Physics
Identifiers
URN: urn:nbn:se:umu:diva-37885DOI: 10.3842/SIGMA.2010.041ISI: 000278475600006OAI: oai:DiVA.org:umu-37885DiVA: diva2:370879
Available from: 2010-11-18 Created: 2010-11-18 Last updated: 2017-12-12Bibliographically approved

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Ilderton, AntonLundin, JoakimMarklund, Mattias
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