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VOLUME 81 (2005) | ISSUE 5 | PAGE 283
Dissymmetrical tunnelling in heavy fermion metals
PACS: 71.10.Hf, 71.27.+a, 75.30.Cr
Abstract
A tunnelling conductivity between a heavy fermion metal and a simple metallic point is considered. We show that at low temperatures this conductivity can be noticeably dissymmetrical with respect to the change of voltage bias. The dissymmetry can be observed in experiments on the heavy fermion metals whose electronic system has undergone the fermion condensation quantum phase transition.