Kondo Effect in a Quantum Dot Coupled to Ferromagnetic Leads: A Numerical Renormalization Group Analysis

Mahn-Soo Choi, David Sánchez, Rosa López

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The use of a numerical renormalization group (NRG) to study the Kondo effect in a quantum dot was discussed. The Kondo effect was found to be robust against polarizations in case of symmetric Anderson model, where charge fluctuations are completely suppressed. For the asymmetric Anderson model, the Kondo peak was found to split into two parts. The linear tunneling magnetoresistance (TMR) and the influence of spin-flip processes were also discussed.

Original languageEnglish
Pages (from-to)566011-566014
Number of pages4
JournalPhysical Review Letters
Issue number5
Publication statusPublished - 2004 Feb 6


ASJC Scopus subject areas

  • Physics and Astronomy(all)

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