Bohmian mechanics to high-order harmonic generation

doi:10.1088/1674-1056/19/2/020302

Abstract This paper introduces Bohmian mechanics (BM) into the intense laser-atom physics to study high-order harmonic generation. In BM, the trajectories of atomic electron in an intense laser field can be obtained with the Bohm--Newton equation. The power spectrum with the trajectory of an atomic electron is calculated, which is found to be irregular. Next, the power spectrum associated with an atom ensemble from BM is considered, where the power spectrum becomes regular and consistent with that from quantum mechanics. Finally, the reason of the generation of the irregular spectrum is discussed.

Keywords: Bohmian mechanics high-order harmonic generation

Received: 06 April 2009
Revised: 15 May 2009
Accepted manuscript online:

PACS:	32.80.-t	(Photoionization and excitation)
	42.65.Ky	(Frequency conversion; harmonic generation, including higher-order harmonic generation)
	42.50.-p	(Quantum optics)

Cite this article:

Lai Xuan-Yang(赖炫扬), Cai Qing-Yu(蔡庆宇), and Zhan Ming-Sheng(詹明生) Bohmian mechanics to high-order harmonic generation 2010 Chin. Phys. B 19 020302

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