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Bose-Einstein condensation of excitons and polaritons

Bose-Einstein condensation of excitons and polaritons

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Threshold behavior with incoherent pump:<br />

Pump:<br />

115 meV excess energy<br />

circular polarized<br />

E<br />

k<br />

electron-hole continuum<br />

exciton states<br />

k<br />

Luminescence intensity<br />

at k || =0 vs. pump power

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