triqs.operators.util.observables

Operators for commonly used observables.

Functions

L2_op(spin_names, orb_names[, off_diag, ...])

Create the square of the orbital momentum operator.

LS_op(spin_names, orb_names[, off_diag, ...])

Create a spin-orbital coupling operator.

L_op(component, spin_names, orb_names[, ...])

Create a component of the orbital momentum vector operator.

N_op(spin_names, orb_names[, off_diag, ...])

Create an operator of the total number of particles.

S2_op(spin_names, orb_names[, off_diag, ...])

Create the square of the total spin operator.

S_op(component, spin_names, orb_names[, ...])

Create a component of the spin vector operator.