The Wess-Zumino term and quantum tunneling
arXiv:cond-mat/9907077 · doi:10.1016/S0921-4526(99)00210-0
Abstract
The significance of the Wess--Zumino term in spin tunneling is explored, and a formula is established for the splitting of energy levels of a particle with large fermionic spin as an applied magnetic field is switched on.
Latex, 7 pages