quri_parts.openfermion.operator.fermion_operator module¶

class FermionOperator(term=None, coefficient=1.0)¶

Bases: FermionOperator

Wrapper class for OpenFermion’s FermionOperator.

hermitian_conjugated()¶

Returns the hermitian conjugate of itself.

fermion_operator_from_openfermion_op(openfermion_op)¶

has_particle_number_symmetry(f_op, check_spin_symmetry=False)¶

Query whether operator conserves particle number and (optionally) spin symmetry.

Parameters:

Returns:

bool

Return type:

bool