Theory of subcycle time-resolved photoemission: application to terahertz photodressing in graphene
Michael Schüler,
Michael A. Sentef
Abstract:Motivated by recent experimental progress we revisit the theory of pump-probe time-and angle-resolved photoemission spectroscopy (trARPES), which is one of the most powerful techniques to trace transient pumpdriven modifications of the electronic properties. The pump-induced dynamics can be described in different gauges for the light-matter interaction. Standard minimal coupling leads to the velocity gauge, defined by linear coupling to the vector potential. In the context of tight-binding (TB) models, the Pei… Show more
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