Phonon mediated interaction for triplet pairing in Pd |
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| Authors: | J Appel D Fay |
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| Institution: | Physics Department, Purdue University, Lafayette, IN 47907, U.S.A.;Abteilung für Theoretische Festkörperphysik, Universität Hamburg, Hamburg, West Germany |
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| Abstract: | The pairing interaction due to phonon exchange is calculated for the triplet p-state of Pd, using the atomic-site representation for the heavy d electrons. It is found that this interaction is repulsive, λPh1 < 0, and that its magnitude is small compared with the singlet s-state interaction of BCS, λPh0. The net interaction due to both phonons and spin-fluctuations is attractive but it is so small that the observation of a triplet p-state in Pd appears unlikely at the lowest accessible temperatures. |
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