assigns anisotropy matrices to magnetic ions
ADDANISO(obj, matrixIdx, {atomTypeIdx}, {atomIdx})
Input:
matrixIdx Either an integer, that selects the matrix
obj.matrix.mat(:,:,matrixIdx), or a string identical to one
of the previously defined matrix labels, stored in
obj.matrix.label. Maximum value is nJ.
atomTypeIdx String or cell of strings that select magnetic atoms by
their label. Also can be a vector that contains integers,
the index of the magnetic atoms in obj.unit_cell, with all
symmetry equivalent atoms. Maximum value is nAtom, if
undefined anisotropy is assigned to all magnetic atoms.
Optional.
atomIdx A vector that contains indices selecting some of the
symmetry equivalent atoms. Maximum value is the number of
symmetry equivalent atoms generated. If crystal symmetry is
not 0, atomIdx is not allowed, since the anisotropy matrix
for equivalent atoms will be calculated using the symmetry
operators of the space group. Optional.
Output:
The function adds extra entries in the 'single_ion.aniso' field of the
obj sw object.
Example:
...
cryst.addmatrix('label','A1','value',diag([-0.1 -0.1 0]))
cryst.gencoupling
cryst.addaniso('A1')
This will add the 'A1' diagonal matrix to all magnetic atoms as
anisotropy (easy XY plane anisotropy).
See also SW, SW.ADDCOUPLING, SW.ADDG, SW.ADDMATRIX.