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A new quantum control scheme for multilevel systems based on effective decomposition by intense laser fields
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10.1063/1.3079327
/content/aip/journal/jcp/130/9/10.1063/1.3079327
http://aip.metastore.ingenta.com/content/aip/journal/jcp/130/9/10.1063/1.3079327
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematic of space separation for a general multilevel quantum system.

Image of FIG. 2.
FIG. 2.

Schematic of the branch-type four-level system.

Image of FIG. 3.
FIG. 3.

Population dynamics of the branch-type four-level system with under the laser conditions; (a) , , (b) , , (c) , , and (d) , . Thin solid and thin broken lines denote the exact population dynamics of and , respectively. Thick solid and thick broken lines denotes the population dynamics of and calculated by the effective Hamiltonian, respectively. The area with light gray denotes the population which escapes to the -space.

Image of FIG. 4.
FIG. 4.

Population dynamics of the branch-type four-level system with under the laser conditions; (a) , , (b) , , (c) , , and (d) , . Thin solid and thin broken lines denote the exact population dynamics of and , respectively. Thick solid and thick broken lines denotes the population dynamics of and calculated by the effective Hamiltonian, respectively. The area with light gray denotes the population which escapes to the -space.

Image of FIG. 5.
FIG. 5.

Population dynamics of the branch-type four-level system with under the laser condition , with various as follows; (a) , (b) , (c) , and (d) . Thin solid and thin broken lines denote the exact population dynamics of and , respectively. Thick solid and thick broken lines denotes the population dynamics of and calculated by the effective Hamiltonian, respectively. The area with light gray denotes the population which escapes to the -space.

Image of FIG. 6.
FIG. 6.

Population dynamics of the branch-type four-level system with under the laser condition , with various as follows; (a) , (b) , (c) , and (d) . Thin solid and thin broken lines denote the exact population dynamics of and , respectively. Thick solid and thick broken lines denotes the population dynamics of and calculated by the effective Hamiltonian, respectively. The area with light gray denotes the population which escapes to the -space.

Image of FIG. 7.
FIG. 7.

Schematic of the branch-type five-level system.

Image of FIG. 8.
FIG. 8.

Population dynamics of the branch-type five-level system with under the laser conditions; (a) , , (b) , , (c) , , and (d) , . Thin solid, broken, and dotted lines denote the exact population dynamics of , , and . Thick dark gray solid, thick light gray broken, and thick dark broken lines denote the population dynamics of , , and calculated by effective Hamiltonian, respectively. The area filled with light gray denotes the sum of the -space population and the lost population.

Image of FIG. 9.
FIG. 9.

Population dynamics of the five-level system with under the laser condition , with various as follows; (a) , (b) , and (c) . Thin solid, broken, and dotted lines denote the exact population dynamics of , , and . Thick dark gray solid, thick light gray broken, and thick dark broken lines denote the population dynamics of , , and calculated with effective Hamiltonian, respectively. The area filled with light gray denotes the sum of the -space population and the lost population.

Image of FIG. 10.
FIG. 10.

(a) Time dependence of the laser pulse envelope function with the parameters, , , , and . Dark gray solid line, light gray broken line and dark broken line denote pulse envelope functions which correspond to , and , respectively. (b) Population dynamics of the five-level system with and under the laser condition , . Thin solid, broken, and dotted lines denote the exact population dynamics of , , and . Thick dark gray solid, thick light gray broken, and thick dark broken lines denote the population dynamics of , , and calculated with effective Hamiltonian, respectively. The area filled with light gray denotes the sum of the -space population and the lost population.

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/content/aip/journal/jcp/130/9/10.1063/1.3079327
2009-03-04
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: A new quantum control scheme for multilevel systems based on effective decomposition by intense laser fields
http://aip.metastore.ingenta.com/content/aip/journal/jcp/130/9/10.1063/1.3079327
10.1063/1.3079327
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