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Physics
Classical Physics
Electromagnetism
Two molecules with different polarizability in an EM field
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[QUOTE="Salmone, post: 6646537, member: 698014"] If I have two separated and non-interacting molecules with different [B]constants[/B] polarizabilities ##\alpha_1## and ##\alpha_2## and I send an EM field of frequency ##\omega## first on the molecule no.##1## and then on the molecule no.##2## so that the two molecules will have a dipole moment ##\vec{p_1}=\alpha_1\vec{E}## and ##\vec{p_2}=\alpha_2\vec{E}.## What differences will there be in the two molecules? [B]1)[/B] Will they both oscillate with the same frequency as the EM field? [B]2)[/B] What does the difference in polarizability imply? That they will oscillate with the same ##\omega## but the oscillations of the molecule with the larger ##\alpha## will have larger amplitude? [B]3)[/B] Can one know by spectroscopy which of the two molecules has greater polarizability? I mean, we send EM field on the molecules and then the molecules begin to oscillate and generate a new EM field, in the domain of the frequencies we see the external EM field at frequency ##\omega## and the EM field produced by the molecules at the same ##\omega## ([I]if my hypothesis are right[/I]), so is it possible to distinguish, by spectroscopy, two differents polarizability in a case like this one? [/QUOTE]
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Forums
Physics
Classical Physics
Electromagnetism
Two molecules with different polarizability in an EM field
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