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In what environments can a dipolariton form? The article in Science in which it is introduced discusses it in the context of an optical cavity in a semiconductor. Can this quasiparticle occur elsewhere — as a free particle or on the surface or in the bulk of a metal, for example?

A dipolariton is a bosonic quasiparticle that consists of two excitons, one an electron together with a hole, the other an electron together with a photon. I'm asking this question to get a sense of whether a related question that was raised not too long ago makes sense.

EDIT: To be concrete, could a dipolariton form in the context of the system explored in this paper?

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Good question! Unfortunately I know nothing about dipolaritons, but if I find anyone who does, I'll definitely try to send them here. – David Z Apr 17 '12 at 16:07
@DavidZaslavsky definitely, please do. Also, could you take a look at the linked question and see if you know of anyone that might be able to address it? – Eric Walker Apr 17 '12 at 16:18

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