grogupy._core.calculate_isotropic_only

grogupy._core.calculate_isotropic_only(energies: ndarray[Any, dtype[_ScalarType_co]]) → ndarray[Any, dtype[_ScalarType_co]]

Calculates the isotropic exchange only.

Parameters

energies: NDArray

Energy upon one single rotation

Returns

J: float

Isotropic exchange interaction in tensorial form