helixmc.fitfxn.moroz_1st

helixmc.fitfxn.moroz_1st(A, C, F, kT=41.164043971999995)

1st order Moroz-Nelson function for effective torsional persistence. See moroz_3rd for detailed explanation.

See also

moroz_3rd

3rd order Moroz-Nelson function for effective torsional persistence.

Notes

The fitting function is

\[C_{eff} = C \left( 1-\frac{M}{4K_0} \right)\]

With

\[M = \frac{C}{A}, \quad K_0=\sqrt{ \frac{A F}{kT} }\]