Photon emission as a source of coherent behaviour of polaritons
Herbert Vinck-Posada, Boris A. Rodriguez, P. S. S. Guimaraes, Alejandro Cabo, Augusto Gonzalez
Abstract
We show that the combined effect of photon emission and Coulomb interactions may drive an exciton-polariton system towards a dynamical coherent state, even without phonon thermalization or any other relaxation mechanism. Exact diagonalization results for a finite system (a multilevel quantum dot interacting with the lowest energy photon mode of a microcavity) are presented in support to this statement.
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