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Noncommutative spacetime and high-intensity probes
  KTH/Nordita/SU seminar in Theoretical Physics [before December 2013]

Wednesday 28 October 2009
from 11:00 to 12:00
at FA31
Speaker : Mattias Marklund (UmeƄ Universitet)
Abstract : Within the next few years, laser facilities will allow access to the uncharted standard model sector of low energy, strong field QED (and possibly beyond), exploring nonlinear vacuum phenomena, nonperturbative pair creation through Schwinger-like mechanisms, and searches for new, light particles. Research into these topics has recently become an extremely active area. Here we discuss possible probes of the noncommutativity of spacetime, using noncommutative QED (NCQED). Noncommutativity appears in several guises in extensions of the standard model, either directly from noncommutative field theory, via space-time foaminess in loop quantum gravity schemes, or in emergent quantum mechanics. The consequences of combined noncommutative and strong-field effect for basic lepton-photon interactions is discussed.

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