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4. Spectroscopies of electronic transitions
Calculating absorption or emission spectra in energy ranges involving electronic transitions, i.e. from the visible to the shortest wavelengths, requires good precision on the energy levels of excited states.
In the dipole approximation, an absorption transition is described by the matrix element :
with :
- E :
-
local electric field vector
- Ψ i and Ψ f...
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Spectroscopies of electronic transitions
NMR spectroscopy
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