# Resonant and Non Resonant Susceptibility

by n0_3sc
Tags: resonant, susceptibility
 P: 265 The imaginary part of the $$\chi ^3$$ susceptibility can be split into the resonant and non resonant contributions. The resonant is the contribution from satisfying a resonant vibrational state/mode, but what contributes to the non resonant term?
 Quote by n0_3sc The imaginary part of the $$\chi ^3$$ susceptibility can be split into the resonant and non resonant contributions. The resonant is the contribution from satisfying a resonant vibrational state/mode, but what contributes to the non resonant term?