Concentration Compactness for the Critical Maxwell-Klein-Gordon Equation

Abstract

We prove global regularity, scattering and a priori bounds for the energy critical Maxwell-Klein-Gordon equation relative to the Coulomb gauge on (1+4)-dimensional Minkowski space. The proof is based upon a modified Bahouri-Gerard profile decomposition [1] and a concentration compactness/rigidity argument by Kenig-Merle [10], following the method developed by the first author and Schlag [20] in the context of critical wave maps.

arXiv comment160 pages. Minor revisions. To appear in Annals of PDE

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