Contributions of the Two Nuclei to the Harmonic Generation in H+2 Molecules

doi:10.1088/0256-307X/31/10/104202

Chin. Phys. Lett.

2014, Vol. 31

Issue (10): 104202 DOI: 10.1088/0256-307X/31/10/104202

FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS)

Contributions of the Two Nuclei to the Harmonic Generation in H⁺₂ Molecules

PEI Ya-Nan, MIAO Xiang-Yang^**

College of Physics and Information Engineering, Shanxi Normal University, Linfen 041004

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PEI Ya-Nan, MIAO Xiang-Yang 2014 Chin. Phys. Lett. 31 104202

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Abstract The separate contributions of the two nuclei in H⁺₂ to the harmonic generation are investigated by numerically solving the time-dependent Schr?dinger equation. The results show that the diverse electron distributions around the two nuclei under the effect of a laser field lead to different contributions of the two nuclei to the harmonic generation in different times, i.e., the contribution mainly comes from nucleus A around the (n+0.5) optical cycle while from nucleus B around the n optical cycle. By means of the time-frequency distributions and the coupled electron nuclear wave-packet density distributions, the physical mechanism is discussed in detail.

Published: 31 October 2014

PACS:	42.65.Ky	(Frequency conversion; harmonic generation, including higher-order harmonic generation)
	42.50.Hz	(Strong-field excitation of optical transitions in quantum systems; multiphoton processes; dynamic Stark shift)
	33.80.Wz	(Other multiphoton processes)

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https://cpl.iphy.ac.cn/10.1088/0256-307X/31/10/104202 OR https://cpl.iphy.ac.cn/Y2014/V31/I10/104202

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