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Photocurrent of exciton polaritons | Takahiro Morimoto
; Naoto Nagaosa
; | Date: |
12 Sep 2020 | Abstract: | We 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 | Services: | Forum | Review | PDF | Favorites |
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