Wednesday, February 7, 2018

condensed matter - Relationship between magnetic resonance linewidth and spin relaxation


First of all, what is the mathematical relationship between measured linewidth (usually in units of magnetic field) and spin relaxation time? I see papers talk about spin relaxation times in terms of linewidths but I have no idea how to correlate the size of the linewidth to an actual time.



Second, is the measured linewidth in NMR or ESR experiments related to T2 only. If you want just T2, you would have to do spin-echo, right? If that is the case, how is T1 determined?




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classical mechanics - Moment of a force about a given axis (Torque) - Scalar or vectorial?

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