Level Crossing in a Driven Double Quantum Well

Chin. Phys. Lett.

1994, Vol. 11

Issue (10): 638-641 DOI:

Original Articles

Level Crossing in a Driven Double Quantum Well

ZHAO Xiangeng

Institute of Theoretical Physics, Academia Sinica, Beijing 100080

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ZHAO Xiangeng 1994 Chin. Phys. Lett. 11 638-641

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Abstract The motion of electrons in a double quantum well under the action of a monochromatic driving laser field is investigated. Closed-form solutions of the quasienergy and Floquet states are obtained with the help of SU(2) symmetry, from which the occurrence of quasienergy crossing is demonstrated to coincide with the coherent destruction of tunneling if the high-frequency laser field is involved.

Keywords: 71.10.+x 33.80.Be 03.65.-w

Published: 01 October 1994

PACS:	71.10.+x
	33.80.Be	(Level crossing and optical pumping)
	03.65.-w	(Quantum mechanics)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1994/V11/I10/0638

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