arc.alkali_atom_functions.AlkaliAtom.getHFSCoefficients#

AlkaliAtom.getHFSCoefficients(n, l, j, s=None)[source]#

Returns hyperfine splitting coefficients for state \(n\), \(l\), \(j\).

Parameters

n (int) – principal quantum number
l (int) – orbital angular momentum
j (float) – total angular momentum
s (float) – (optional) total spin momentum

Returns

A,B hyperfine splitting constants (in Hz)

Return type