An effective Hamiltonian derived via perturbation theory on the density matrix shows that Berry phase interference completely blocks current flow through a single molecule magnet transistor with oppositely polarized leads.
Asymmetric berry-phase interference patterns in a single-molecule magnet,
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Berry-phase effect in single molecule magnets: analytical and numerical results
An effective Hamiltonian derived via perturbation theory on the density matrix shows that Berry phase interference completely blocks current flow through a single molecule magnet transistor with oppositely polarized leads.