Bloembergen-Purcell-Pound relaxation model (source code)

= Bloembergen-Purcell-Pound relaxation model
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= BPP relaxation model
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{synonym}

A model using exponentially correlated magnetic fluctuations. For homonuclear dipolar relaxation, $T_1^{-1}=C[\tau_c/(1+\omega_0^2\tau_c^2)+4\tau_c/(1+4\omega_0^2\tau_c^2)]$. Its rate maximum occurs near $\omega_0\tau_c=0.616$; a single-frequency Lorentzian instead peaks at one.