Cavity-induced quantum cooperative phenomena

Francesco Plastina, G Falcone, Francesco Francica, G Liberti, F Piperno, Sabrina Maniscalco

Research output: Contribution to journalArticlepeer-review

Abstract

Two kinds of cooperative effects are discussed for two-level atoms (qubits) interacting with an electromagnetic resonator, both of them concerning Dicke super-radiance. The first is a static, critical phenomenon: the so-called super-radiant phase transition, occurring when a large number of qubits are coupled to a single cavity mode giving rise to a quantum phase transition for a critical value of the interaction strength. The second is a dynamic phenomenon, producing (among other effects) the generation and/or preservation of entanglement between qubits even in the presence of cavity losses.
Original languageEnglish
Article number014008
JournalPhysica Scripta
Volume2010
Issue numberT140
DOIs
Publication statusPublished - 30 Sep 2010

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