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Abstract:

The evolution of the entanglement between two oscillators coupled to a common thermal environment is nontrivial. The long time limit has three qualitatively different behaviors (phases) depending on parameters such as the temperature of the bath. The phases include cases with nonvanishing long-term entanglement, others with a final disentangled state, and situations displaying an infinite sequence of events of disappearance and revival of entanglement. We describe an experiment to realize these different scenarios in an ion trap. The motional degrees of freedom of two ions are used to simulate the system while the coupling to an extra (central) ion, which is continuously laser cooled, is the gateway to a decohering reservoir. The scheme proposed allows for the observation and control of motional entanglement dynamics and is an example of a class of simulations of quantum open systems in the non-Markovian regime. © 2010 The American Physical Society.

Registro:

Documento: Artículo
Título:Observing different phases for the dynamics of entanglement in an ion trap
Autor:Cormick, C.; Paz, J.P.
Filiación:Departamento de Física, FCEyN, Ciudad Universitaria Pabellón 1, 1428 Buenos Aires, Argentina
Palabras clave:Degrees of freedom; Entanglement dynamics; Ion traps; Laser-cooled; Non-Markovian; Quantum open systems; Sequence of events; Thermal environment; Two oscillators; Ions; Laser cooling; Open systems; Quantum entanglement
Año:2010
Volumen:81
Número:2
DOI: http://dx.doi.org/10.1103/PhysRevA.81.022306
Título revista:Physical Review A - Atomic, Molecular, and Optical Physics
Título revista abreviado:Phys Rev A
ISSN:10502947
CODEN:PLRAA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10502947_v81_n2_p_Cormick

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Citas:

---------- APA ----------
Cormick, C. & Paz, J.P. (2010) . Observing different phases for the dynamics of entanglement in an ion trap. Physical Review A - Atomic, Molecular, and Optical Physics, 81(2).
http://dx.doi.org/10.1103/PhysRevA.81.022306
---------- CHICAGO ----------
Cormick, C., Paz, J.P. "Observing different phases for the dynamics of entanglement in an ion trap" . Physical Review A - Atomic, Molecular, and Optical Physics 81, no. 2 (2010).
http://dx.doi.org/10.1103/PhysRevA.81.022306
---------- MLA ----------
Cormick, C., Paz, J.P. "Observing different phases for the dynamics of entanglement in an ion trap" . Physical Review A - Atomic, Molecular, and Optical Physics, vol. 81, no. 2, 2010.
http://dx.doi.org/10.1103/PhysRevA.81.022306
---------- VANCOUVER ----------
Cormick, C., Paz, J.P. Observing different phases for the dynamics of entanglement in an ion trap. Phys Rev A. 2010;81(2).
http://dx.doi.org/10.1103/PhysRevA.81.022306