MDA 01.00 EIG 00 #PROGRAM: Program OW0L, (c) Oliver Waldmann, Version 11.5.01 #HAMILTONIAN: Heisenberg Hamiltonian #SYSTEM: Spins = 1/2 1/2 1/2 1/2 Couplings = 1-2 2-3 3-4 4-1 #PARAMETER: Strengths = -1 -1 -1 -1 #COMMENT: energies #DATA: þÿÿÿÿÿÿ¿Æ¼ð¿ÿÿÿÿÿÿ§¼ýÿÿÿÿÿ<ð?