Cavity-induced quantum cooperative phenomena

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

doi:10.1088/0031-8949/2010/T140/014008

Cavity-induced quantum cooperative phenomena

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

Research output: Contribution to journal › Article › peer-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 language	English
Article number	014008
Journal	Physica Scripta
Volume	2010
Issue number	T140
DOIs	https://doi.org/10.1088/0031-8949/2010/T140/014008
Publication status	Published - 30 Sept 2010

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title = "Cavity-induced quantum cooperative phenomena",

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.",

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AU - Plastina, Francesco

AU - Falcone, G

AU - Francica, Francesco

AU - Liberti, G

AU - Piperno, F

AU - Maniscalco, Sabrina

PY - 2010/9/30

Y1 - 2010/9/30

N2 - 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.

AB - 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.

U2 - 10.1088/0031-8949/2010/T140/014008

DO - 10.1088/0031-8949/2010/T140/014008

M3 - Article

SN - 0031-8949

VL - 2010

JO - Physica Scripta

JF - Physica Scripta

IS - T140

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ER -

Cavity-induced quantum cooperative phenomena

Abstract

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