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Dynamics of orientation of adsorbed polar molecules in static electric and laser field

The rotational states of adsorbed polar molecule in the presence of static electric and laser field are investigated. In this study, we have taken two types of polar molecules, namely, one with large dipole moment and moderate rotational constant (LiCl), and the other with moderate dipole moment and large rotational constant (HBr). The adsorbed molecule is considered as rigid rotor in finite conical potential well. The eigenvalues are calculated by numerically solving the Schrödinger equation. We have shown that various properties of rotational states of the molecules are significantly influenced by the static electric field, laser field, conical potential well height and the hindrance angle. Also the use of two different polar molecules for the investigation is justified by the variation in various properties due to change in molecule.