Abstract:
The interaction of a two-level XY n-spin system with a two-mode cavity field is investigated through a generalized Jaynes-Cummings model in the rotating wave approximation. The spontaneous decay of a spin level was treated by considering the interaction of the two-level spin system with the modes of the universe in the vacuum state. The different cases of interest, characterized in terms of a detuning parameter for each mode, which emerge from the nonvanishing of certain commutation relations between interaction picture Hamiltonians associated with each mode, were analytically implemented and numerically discussed for various values of the initial mean photon number and spin-photon coupling constants. Photon distribution, time evolution of the spin population inversion, as well as the statistical properties of the field leading to the possible production of nonclassical states, such as antibunched light and violations of the Cauchy-Schwartz inequality are examined for an excited initial state. It was assumed that the two modes are initially in coherent states and have the same photon distribution. The case of zero detuning of both modes was treated in terms of a linearization of the expansion of the time evolution operator, while in other three cases, the computations were conducted via second- and third-order Dyson perturbation expansion of the time evolution operator matrix elements for the excited and ground states respectively. © 2008 World Scientific Publishing Company.
Registro:
Documento: |
Artículo
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Título: | Dynamics and nonclassical photon statistics in the interaction of two-level spin systems with a two-mode cavity field. A generalized Jaynes-Cummings model |
Autor: | Grinberg, H. |
Filiación: | Departmento de Física, Facultad de Ciencias Exactas Y Naturales, Ciudad Universitaria, (1428) Buenos Aires, Argentina Consejo Nacional de Investigaciones Cientícas y Técnicas (CONICET), Argentina
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Palabras clave: | Field statistics; Non-classical effects; Quantum optics; Spin models; Two-level systems; Two-mode interaction |
Año: | 2008
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Volumen: | 22
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Número: | 6
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Página de inicio: | 599
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Página de fin: | 633
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DOI: |
http://dx.doi.org/10.1142/S0217979208038867 |
Título revista: | International Journal of Modern Physics B
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Título revista abreviado: | Int. J. Mod. Phys. B
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ISSN: | 02179792
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CODEN: | IJPBE
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Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_02179792_v22_n6_p599_Grinberg |
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Citas:
---------- APA ----------
(2008)
. Dynamics and nonclassical photon statistics in the interaction of two-level spin systems with a two-mode cavity field. A generalized Jaynes-Cummings model. International Journal of Modern Physics B, 22(6), 599-633.
http://dx.doi.org/10.1142/S0217979208038867---------- CHICAGO ----------
Grinberg, H.
"Dynamics and nonclassical photon statistics in the interaction of two-level spin systems with a two-mode cavity field. A generalized Jaynes-Cummings model"
. International Journal of Modern Physics B 22, no. 6
(2008) : 599-633.
http://dx.doi.org/10.1142/S0217979208038867---------- MLA ----------
Grinberg, H.
"Dynamics and nonclassical photon statistics in the interaction of two-level spin systems with a two-mode cavity field. A generalized Jaynes-Cummings model"
. International Journal of Modern Physics B, vol. 22, no. 6, 2008, pp. 599-633.
http://dx.doi.org/10.1142/S0217979208038867---------- VANCOUVER ----------
Grinberg, H. Dynamics and nonclassical photon statistics in the interaction of two-level spin systems with a two-mode cavity field. A generalized Jaynes-Cummings model. Int. J. Mod. Phys. B. 2008;22(6):599-633.
http://dx.doi.org/10.1142/S0217979208038867