Il Nuovo Cimento BFrom Heisenberg equation of motion to the invariant 'eigenoperator' methodHong-Yi Fan, Hailiang LuPublished Oct 1, 2004• 0 citationsPublisherAbstractFrom the Heisenberg equation of motion we elucidate the so-called invariant eigenoperator method, its application to various Hamiltonian systems are presented.DOI10.1393/ncb/i2004-10153-3