Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
2001-09-27
Physics
Condensed Matter
Strongly Correlated Electrons
5 pages, 4 figures, to be published in J. Phys. Soc. Jpn
Scientific paper
10.1143/JPSJ.71.943
The Kondo effect in a $p_x + {\rm i} p_y$-wave superconductor is studied by applying the Wilson's numerical renormalization group method. In this type of superconductor with a full energy gap like a s-wave one, the ground state is always a spin doublet, while a local spin is shrunk by the Kondo effect. The calculated magnetic susceptibility indicates that the spin of the ground state is generated by the orbital effect of the $p_x + {\rm i} p_y$-wave Cooper pairs. The effect of spin polarization of the triplet superconductor is also discussed.
Koga Mikito
Matsumoto Masashige
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