SEARCH Articles Figures Tables A pseudo-Jahn-Teller system modeled through generalized spin Hamiltonian the C4H4 molecule Spin Hamiltonian Spin Hamiltonian Hamiltonians Spin Part of the Hamiltonian Spin in the Nonrelativistic Hamiltonian The Hamiltonian The Nuclear Spin Hamiltonian The Spin Hamiltonian VB Theory The Spin Hamiltonian and Ligand-Field Theory The Spin Hamiltonians The Spin-Hamiltonian Concept