Phonon-assisted magnetic field induced Kondo tunnelling in metal-organic complexes

Mikhail Kiselev

ICTP, Condensed Matter and Statistical Physics Section, Trieste, Italy

We consider the Kondo tunneling induced by multiphonon emission/absorption processes in magnetic molecular complexes with low-energy singlet-triplet spin gap and show that the number of assisting phonons may be changed by varying the Zeeman splitting of excited triplet state. As a result, the structure of multiphonon Kondo resonances may be scanned by means of magnetic field tuning.

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