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Physics
Atomic and Condensed Matter
Measuring new forces with molecular vibrations
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[QUOTE="BillKet, post: 6526252, member: 637596"] Thank you! This make sense. I am not very familiar with reconstructing the potential energy curves from the vibrational measurements this way (in the papers I read they just fit to a finite number of Dunham-like parameters). Are we confident enough that the functional form should match the actual molecule exactly (given the measurement accuracy), in the absence of these extra forces? Can't it be that the model breaks down, even if we have just electrostatic interactions? For example if one naively assumes a Morse potential, we would get deviations from the measurements at a certain level of accuracy. But they are just from breaking down of the model, not from new physics. [/QUOTE]
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Measuring new forces with molecular vibrations
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