hyperfine.superconductivity.interpolation.gap_tanh_eV

hyperfine.superconductivity.interpolation.gap_tanh_eV(T: Annotated[Sequence[float], slice(0.0, None, None)], T_c: Annotated[float, slice(0, None, None)], Delta_0: Annotated[float, slice(0, None, None)] = 1.0) → float

Approximate expression for the superconducting energy gap.

See Eq. (5) in: https://doi.org/10.1016/S0921-4534(02)02319-5

Parameters:

• T – Absolute temperature.

• T_c – Absolute superconducting transition temperature.

• Delta_0 – Superconducting energy gap at 0 K (eV).

Returns:

The superconducting energy gap (eV).