Simple Calculation of Quantum Spin Tunneling Effects
J. -Q. Liang, H. J. W. Mueller-Kirsten, J. M. S. Rana
Abstract
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.
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