Phonon-mediated Josephson oscillations in excitonic and polaritonic condensates

Details Phonon-mediated Josephson oscillations in excitonic and polaritonic condensates Phonon-mediated Josephson oscillations in excitonic and polaritonic condensates

2010-07-17

arxiv.org/abs/1007.2890v1

Phys. Rev. B 82, 195312 (2010)

Physics

Condensed Matter

Quantum Gases

10 pages, Submitted to Phys. Rev. B

Scientific paper

10.1103/PhysRevB.82.195312

We analyze theoretically the role of the exciton-phonon interactions in phenomena related to the Josephson effect between two spatially separated exciton and exciton-polariton condensates. We consider the role of the dephasing introduced by phonons in such phenomena as Josephson tunneling, self-trapping and spontaneous polarization separation. In the regime of cw pumping we find a remarkable bistability effect arising from exciton- exciton interactions as well as regimes of self- sustained regular and chaotic oscillations.

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