Universal Scaling of Basic Properties of the Heavy-Fermion Superconductors |

J. Karbowski and J. SpałekInstitute of Theoretical Physics, Warsaw University, Hoża 69, 00-681 Warszawa, Poland |

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We show that the properties of the heavy-electron superconducting state induced by the interorbital kinetic exchange scale with the effective mass renormalization m*/m_{0} ~ 1/T_{K}. Explicitly, the pairing potential J̃ ~ J(m_{0}/m*)ln^{2}(m_{0}/m*), where J is the magnitude of the bare Kondo coupling; the coherence length ξ ~ T_{K}/T_{c} where T_{c} is the transition temperature, whereas the penetration depth λ ~ (m*/m_{0})^{½} so that λ/ξ >> 1. We also determine the scaling of magnetic critical fields. |

DOI: 10.12693/APhysPolA.85.341 PACS numbers: 74.70.Tx, 75.30.Mb, 71.28.+d |