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Crystal-field ground state of the noncentrosymmetric superconductor<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mtext>CePt</mml:mtext></mml:mrow><mml:mn>3</mml:mn></mml:msub><mml:mtext>Si</mml:mtext></mml:mrow></mml:math>: A combined polarized soft x-ray absorption and polarized neutron study
We determined the crystal-field split Hund's rule ground state of the non-centrosymmetric heavy fermion superconductor CePt3Si with polarization dependent soft X-ray absorption spectroscopy (XAS) and polarized neutron scattering. We are also able to give the sequence of the crystal-field states from the temperature evolution of the linear dichroic signal in …