Strong Field, Noncommutative QED

Symmetry Integrability and Geometry-Methods and Applications

article

Anton Ilderton¹  Joakim Lundin¹  Mattias Marklund¹ 

[1] Department of Physics, Umeå University

关键词: noncommutative QED;    background fields;   

DOI  :  10.3842/SIGMA.2010.041

来源: National Academy of Science of Ukraine

【 摘 要 】

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.

【 授权许可】

Unknown