Electron localization of H2+ in a dc electric field

doi:10.1088/1674-1056/26/1/013201

Abstract

A dc electric field is utilized to steer the electron motion after the molecular ion H₂⁺ is excited by an ultrashort ultraviolet laser pulse. The numerical simulation shows that the electron localization distribution and the dissociation control ratio are dependent on the polarization direction and amplitude of the dc electric field. Most electrons of the dissociation state move opposite to the dc electric field and stabilize at the dressed-up potential well, for the dressed-down well is occupied by the electrons of the 1sσ_g state.

Keywords: dissociation localization time dependent Schrö dinger equation Coulomb potential ultraviolet laser pulse

Received: 20 July 2016
Revised: 27 September 2016
Accepted manuscript online:

PACS:	32.80.Rm	(Multiphoton ionization and excitation to highly excited states)
	33.80.Rv	(Multiphoton ionization and excitation to highly excited states (e.g., Rydberg states))
	42.50.Hz	(Strong-field excitation of optical transitions in quantum systems; multiphoton processes; dynamic Stark shift)
	42.65.Ky	(Frequency conversion; harmonic generation, including higher-order harmonic generation)

Fund:

Project supported by the National Natural Science Foundation of China (Grant Nos. 11127901, 61521093, 11134010, 11227902, 11222439, and 11274325) and the National Basic Research Program of China (Grant No. 2011CB808103).

Corresponding Authors: Z N Zeng
E-mail: zhinan_zeng@mail.siom.ac.cn

Cite this article:

Z M Jia(贾正茂), Z N Zeng(曾志男), W T Tang(唐文涛), R X Li(李儒新) Electron localization of H₂⁺ in a dc electric field 2017 Chin. Phys. B 26 013201

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Electron localization of H₂⁺ in a dc electric field