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SFB1238 | Kimberley Modic

On 19 November at 14:30 - 15:30 in Seminar Room of the Institute of Physics II

Kimberley Modic, Max-Planck-Institut für Chemische Physik fester Stoffe, Dresden

 

Scale-invariant magnetic anisotropy in RuCl3 - a signature of spin-liquid behavior?

 

The continuum of excitations in RuCl3 have been studied to high temperature—less-well studied are the effects of high magnetic fields. We measured the magnetotropic coefficient—second derivative of the free energy with respect to field-angle—up to 65 tesla. We find a scale-invariant response with applied temperature and magnetic field, contrasting with the large exchange energy apparent in the angle-dependence. This paradox hints at a strongly-correlated magnetic state in the high-field limit of RuCl3.

 

Contact Person: Simon Trebst