## Simple Calculation of Quantum Spin Tunneling Effects

• The level splitting formulae much discussed in the study of spin tunneling in macroscopic ferromagnetic particles and previously derived only by complicated pseudoparticle methods for the ground state, are derived from those of eigenvalues of periodic equations and extended to excited states.

Author: Jiu-Qing Liang, H. J. W. Müller-Kirsten, J. M. Singh Rana urn:nbn:de:hbz:386-kluedo-8590 Preprint English 1997 1997 Technische Universität Kaiserslautern Fachbereich Physik 530 Physik

$Rev: 12793$