Laser intensity effects in noncommutative QED
arXiv:0909.0656 · doi:10.1103/PhysRevD.81.051902
Abstract
We discuss a two-fold extension of QED assuming the presence of strong external fields provided by an ultra-intense laser and noncommutativity of spacetime. While noncommutative effects leave the electron's intensity induced mass shift unchanged, the photons change significantly in character: they acquire a quasi-momentum that is no longer light-like. We study the consequences of this combined noncommutative strong-field effect for basic lepton-photon interactions.
5 pages, 1 figure. References added, typos corrected, bounds on noncommutativity scale added. Version to appear in PRD Rapid Communications
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- Vacuum polarization tensor in inhomogeneous magnetic fields
- Neutrino pair emission off electrons in a strong electromagnetic wave field
- Strong Field, Noncommutative QED
- Noncommutativity and the lightfront