| Themes > Science > Physics > Molecular Physics > Excitation Energy Transfer and Energy Migration > Theoretical Methods and Advances > Theoretical Methods and Advances |
For molecules and radicals, the state of the art has until recently consisted of empirical and semiempirical methods and simplistic additivity rules. Recently there have been several new developments: (1) two modified additivity rules that attempt to account for molecular bonding; (2) the Deutsch-Mark formalism, which combines a Gryzinsky-type energy dependence with quantum mechanically calculated molecular structure information (also applicable to atoms); and (3) a new binary-encounter dipole theory. |
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