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arxiv: 1806.07092 · v2 · pith:SRNQ46K4new · submitted 2018-06-19 · ❄️ cond-mat.mes-hall

Dynamical exchange and phase induced switching of a localized molecular spin

classification ❄️ cond-mat.mes-hall
keywords spinlocalizedswitchingdynamicaldynamicsexchangefieldsmolecular
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The dynamics of a localized molecular spin under the influence of external voltage pulses is addressed using a generalized spin equation of motion. The approach incorporates anisotropic fields, non-equilibrium conditions, and non-adiabatic dynamics. By application of a voltage pulse of temporal length $\tau$, a recurring $4\pi$-periodic switching of the localized spin is observed. The switching phenomena can be explained by dynamical exchange interactions, internal transient fields, and self-interactions acting on the localized spin moment.

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