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Microscopic Origins of the Terahertz Carrier Relaxation and Cooling Dynamics in Graphene

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Abstract

We combine ultrafast time-resolved THz spectroscopy and microscopic modeling to study the hot-carrier relaxation and cooling dynamics in graphene; we obtain quantitative agreement without the need to invoke disorder effects and demonstrate that the dynamics are the result of the intricate interplay between carrier-carrier and carrier-phonon interactions.

© 2015 Optical Society of America

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