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Josephson effect through an anisotropic magnetic molecule

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arxiv 1106.4193 v2 pith:ZPTJ6NJT submitted 2011-06-21 cond-mat.mes-hall

Josephson effect through an anisotropic magnetic molecule

I. A. Sadovskyy , D. Chevallier , T. Jonckheere , M. Lee , S. Kawabata , T. Martin This is my paper
classification cond-mat.mes-hall
keywords moleculespinmagneticanisotropicanisotropyeffectjosephsonstate
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We study the Josephson effect through a magnetic molecule with anisotropic properties. Performing calculations in the tunneling regime, we show that the exchange coupling between the electron spin on the molecule and the molecular spin can trigger a transition from the $\pi$ state to the 0 state, and we study how the spin anisotropy affects this transition. We show that the behavior of the critical current as a function of an external magnetic field can give access to valuable information about the spin anisotropy of the molecule.

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