A brief overview of FGH and TDDVR methods and its Application - Khan, Basir Ahamed
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The field of spectroscopy and quantum dynamics of molecular systems with the effect of externally applied laser field has grown explosively in the past few decades. The quantum description of vibrational and ro-vibrational states is a subject of great interest because of the fundamental importance of intramolecular energy transfer in many areas of chemical dynamics. Now a days the theoreticians want to perform the dynamics of the larger molecular systems consisting with more internal degrees of freedom, in full complexity to mimic the real world problems. However, that is certainly impossible…mehr

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Produktbeschreibung
The field of spectroscopy and quantum dynamics of molecular systems with the effect of externally applied laser field has grown explosively in the past few decades. The quantum description of vibrational and ro-vibrational states is a subject of great interest because of the fundamental importance of intramolecular energy transfer in many areas of chemical dynamics. Now a days the theoreticians want to perform the dynamics of the larger molecular systems consisting with more internal degrees of freedom, in full complexity to mimic the real world problems. However, that is certainly impossible for larger systems with more than four atoms, organic molecules, for example. Hence, we consider computationally feasible model systems to make the calculation simpler and get feasible result. We would like to study the vibrational spectra of triatomic molecules by Fourier Grid Hamiltonian method in conjunction with the Lanczos recursion scheme. We have also investigated the dynamics of multi-surface multi-mode Hamiltonian representing polyatomic cations by parallelized time-dependent Discrete Variable Representation (TDDVR) method.
Autorenporträt
Dr. Basir Ahamed Khan completed his B.Sc from Sambhunath College and M.Sc and Ph.D from Visva Bharati, Santiniketan. He carried out his postdoctoral research in UNIST, South Korea. He used FGH, TDFGH and TDDVR methodology in his research work. Presently, he works as an Asst. Professor of Physics, Krishnath College, India.