epraya.Nhze#

Nhze(I, iix, iiy, iiz, dim, Nucl='None', direction=[0, 0, 1])#

Function for the nuclear Zeeman interaction.

Parameters:

  • I (float) – Nuclear spin value.

  • iix (np.array) – Pauli matrix of the nuclear spin x component.

  • iiy (np.array) – Pauli matrix of the nuclear spin y component.

  • iiz (np.array) – Pauli matrix of the nuclear spin z component.

  • dim (int) – Dimension of the total hamiltonian.

  • Nucl (str) – Symbol of the element of the paramagnetic center.

  • direction (np.array) – Direction of incidence of the magnetic field.

Returns:

nhz (np.array) – Matrix of the Zeeman nuclear interaction with dimension dim.

Example

>>> import epraya as epr
>>> Ham,Exp,_=epr.Start()
>>> Ham.I=1
>>> Ham.Nucl='55Mn'
>>> ix,iy,iz=epr.Pauli(Ham.I)
>>> dim=int((2*Ham.I+1))
>>> print(epr.Nhze(Ham.I,ix,iy,iz,dim,Ham.Nucl,[0,0,1]))
[[ 1.38128  0.       0.     ]
[ 0.       0.       0.     ]
[ 0.       0.      -1.38128]]