Two-channel Kondo physics in odd impurity chains
We study odd-membered chains of spin-12 impurities, with each end connected to its own metallic lead. For antiferromagnetic exchange coupling, universal two-channel Kondo (2CK) physics is shown to arise at low energies. Two overscreening mechanisms are found to occur depending on coupling strength,...
Main Authors: | Mitchell, A, Logan, D, Krishnamurthy, H |
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Format: | Journal article |
Language: | English |
Published: |
2011
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