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Статья

Inverted pendulum state of a polariton Rabi oscillator

Physical Review B: Condensed Matter and Materials Physics. 2016. Vol. 94. No. July . P. 045413 .
Voronova N., Elistratov A., Lozovik Y.

Exciton-photon beats known as polariton Rabi oscillations in semiconductor microcavities are usually excited by short pulses of light. We consider a different pumping scheme, assuming a cw pumping of the Rabi oscillator from an exciton reservoir. We account for the initial pulse of light setting the phase, exciton decay due to exciton-phonon and exciton-exciton scattering, photon leakage, and blueshift of the exciton resonance due to interactions. We find nontrivial stationary solutions reminiscent of the Kapitza pendulum, where polaritons are accumulated at the upper branch while the lower branch empties.