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Conferences > CLEO_QELS > 2015 > FM3B > FM3B.1

Ultrafast Coulomb Intervalley Interaction in Monolayer WS2

Robert Schmidt, Gunnar Berghäuser, Ermin Malic, Andreas Knorr, Robert Schneider, Philipp Tonndorf, Steffen Michaelis de Vasconcellos, and Rudolf Bratschitsch

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Abstract

We reveal the ultrafast intervalley dynamics in monolayer WS2 with a spectrally-resolved ultrafast pump-probe experiment and a microscopic theory. We find strong intervalley Coulomb coupling in the atomically thin semiconductor.

© 2015 Optical Society of America

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