Bera, A.K.; Lake, B.; Islam, A.T.M.N.; Janson, O.; Rosner, H.; Schneidewind, A.; Park, J.T.; Wheeler, E.; Zander, S.: Consequences of critical interchain couplings and anisotropy on a Haldane chain. Physical Review B 91 (2015), p. 144414/1-11
10.1103/PhysRevB.91.144414
Open Access Version