Eur. Phys. J. D 42, 227-234 (2007)
https://doi.org/10.1140/epjd/e2007-00028-6

Study on infrared multiphoton excitation of the linear triatomic molecule by the Lie-algebra approach

School of Physics and Microelectronics, Shandong University, Jinan, 250100, P.R. China

Corresponding author: ^a hairanfeng@mail.sdu.edu.cn

Received: 1 September 2006
Published online: 14 February 2007

Abstract

Infrared multiphoton vibrational excitation of the linear triatomic molecule has been studied using the quadratic anharmonic Lie-algebra model, unitary transformations, and Magnus approximation. An explicit Lie-algebra expression for the vibrational transition probability is obtained by using a Lie-algebra approach. The infrared multiphoton vibrational excitation of the DCN molecule is discussed as an example.