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Article
Exciton condensation and perfect Coulomb drag
An electronic current flowing in one conductor can induce a drag current in another spatially separated conductor by means of Coulomb interactions; when these interactions are sufficiently strong the currents ...
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Article
Bose–Einstein condensation of excitons in bilayer electron systems
An exciton is the particle-like entity that forms when an electron is bound to a positively charged ‘hole’. An ordered electronic state in which excitons condense into a single quantum state was proposed as a ...