Electron density changes and high harmonics generation in H2 molecule under intense laser fields

Wadehra, A. ; Deb, B. M. (2006) Electron density changes and high harmonics generation in H2 molecule under intense laser fields The European Physical Journal D - Atomic, Molecular, Optical and Plasma Physics, 39 (1). pp. 141-155. ISSN 1434-6060

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Official URL: http://www.springerlink.com/content/wh886600374753...

Related URL: http://dx.doi.org/10.1140/epjd/e2006-00072-8

Abstract

Under interaction with a high-intensity laser field, the real-time femtosecond dynamics of the electron density in the H2 molecule has been studied quantum mechanically. For this purpose, a time-dependent generalized nonlinear Schrodinger equation of motion, developed earlier in our laboratory by combining density functional theory and quantum fluid dynamics in real space, is solved numerically at the equilibrium internuclear distance of the molecule. By employing various time-dependent calculated properties as probes, information and insight are obtained about the phenomena of excitation, ionization, bond-softening, dipole formation and high-harmonics generation. The present approach goes beyond the linear response formalism.

Item Type:Article
Source:Copyright of this article belongs to Springer-Verlag.
ID Code:9212
Deposited On:29 Oct 2010 11:21
Last Modified:31 May 2011 04:30

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