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29 March 2024
 
  » arxiv » 2009.05795

 Article overview


Photocurrent of exciton polaritons
Takahiro Morimoto ; Naoto Nagaosa ;
Date 12 Sep 2020
AbstractWe study photocurrent of exciton polaritons in inversion broken systems. We use an effective Hamiltonian and Green’s function approaches to deduce the formula for polariton photocurrent. The obtained formula shows the polariton photocurrent is proportional to the polariton density and shows opposite signs for the upper and lower branches. We perform a simulation based on a rate equation and study a time profile of polariton photocurrent after pulse excitation, which indicates that the photocurrent provides a useful nonlinear probe to study nonequilibrium dynamics of exciton polaritons.
Source arXiv, 2009.05795
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