Sarkar, Biplab2015-09-162023-10-192015-09-162023-10-192007ROLL NO.03612203https://gyan.iitg.ac.in/handle/123456789/165Supervisor: Satrajit AdhikariAbstract not found.enCHEMISTRYExtended Born-Oppenheimer equation and the effect of external field on the nonadiabatic coupling elementsThesis