Role of electric field polarisation in rotational transitions
Department of Physics and Astrophysics, University of Delhi, Delhi-110007, India
2 Department of Physics, Swami Shardhanand College, Alipur, University of Delhi, Delhi-110036, India
Revised: 15 July 2002
Published online: 6 November 2002
The molecular dynamics of polar diatomic molecule, interacting with linearly and circularly polarised laser field is studied. Non-perturbative quasi-energy technique is used to determine the rotational field surfaces. Degeneracy in different M-levels is found to be removed in the presence of circularly polarised electromagnetic radiation. In this paper, we present the calculations exhibiting the dynamics of rotational excitation of a linear molecule and characteristic features of spectra which become observable in considered fields.
PACS: 33. – Molecular properties and interactions with photons
© EDP Sciences, Società Italiana di Fisica, Springer-Verlag, 2002