Dynamical magnetic anisotropy in spin-1 molecular systems. D. A. Ruiz–Tijerina, P. S. Cornaglia, C. Balseiro, S. E. Ulloa. Date. Electronic transport and QPTs through molecular devices. Stretching singles out the transport axis. Induced anisotropy splits the spin-1 triplet ground state:.
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Unitary conductance - Kondo effect
Hamiltonian for the molecule:
In the molecule, electron and phonon operators can be decoupled by means of a canonical transformation:
When coupled to leads, this strategy becomes impractical
from the hybridization to the leads
But it does provide us with some insight:
spin operators of the leads
can be negative, zero, positive
We have more available ground states than in the static case:
We estimate the splitting,Δ, from numerical results
Agreement of our model with analytic formula