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Theoretical model of the polarizability due to transitions between exciton states in transition metal dichalcogenides: application to WSe2

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Abstract

In this paper we present a method to study the polarizability due to transitions between exciton states in transition metal dichalcogenides. We apply our method to the description of the excitation of $2p$ dark states. These states are not observable in absorption experiments but can be excited in a pump-probe experiment. As an example we consider $2p$ dark states in ${{\rm WSe}_2}$. We find a good agreement between recent experimental measurements and our theoretical calculations.

© 2021 Optical Society of America

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Data underlying the results presented in this paper are not publicly available at this time but may be obtained from the authors upon reasonable request.

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