Probing strongly hybridized nuclear-electronic states in a model quantum ferromagnet

  title={Probing strongly hybridized nuclear-electronic states in a model quantum ferromagnet},
  author={I. Kova{\'c}evi{\'c} and Peter Babkevich and M Jeong and Julian O. Piatek and Giovanni Boero and Henrik M. R{\o}nnow},
  journal={Physical Review B},
We present direct local-probe evidence for strongly hybridized nuclear-electronic spin states of an Ising ferromagnet ${\mathrm{LiHoF}}_{4}$ in a transverse magnetic field. The nuclear-electronic states are addressed via a magnetic resonance in the GHz frequency range using coplanar resonators and a vector network analyzer. The magnetic resonance spectrum is successfully traced over the entire field-temperature phase diagram, which is remarkably well reproduced by mean-field calculations. Our… Expand

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I am writing with a simple plea to balance the voluminous articles about treatment in your journal with a modicum of information about nature and caring effects to rekindle the perception of physicians as healers, not only treaters, who relish the gifts of nature, and foster the humanistic aspect of medicine that has thrived for millennia. Expand
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