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Spintronics in quantum dots: Kondo effect in quantum dots in presence of itinerant-electron magnetism

Authors:

  • Jan Martinek,
  • M. Sindel,
  • L. Borda,
  • Yasuhiro Utsumi,
  • H. Imamura,
  • Józef Barnaś,
  • S. Maekawa,
  • J. König,
  • J. Von Delft,
  • G. Schön

Abstract

We study the Kondo effect in a quantum dot (QD) coupled to ferromagnetic leads, and analyze its properties. The main goal of our work is to investigate how ferromagnetic leads influence the Kondo effect. The new key questions, which emerge are: (i) does the Kondo effect survive and how does the spin-asymmetry affect the effect, (ii) how are the transport properties modified, and (iii) what is the ground state of the system? We analyzed these and related questions using scaling arguments, the nonequilibrium equation of motion technique, and numerical renormalization group (NRG) approach.

Metrics

Record ID
UAM08983984d6f24022be5a89efdcc6a700
Author
Jan Martinek Jan Martinek,, External affiliation of publication: Karlsruhe Institute of Technology, Campus South
M. Sindel M. Sindel,, External affiliation of publication: Ludwig-Maximilians-Universitat Munchen
L. Borda L. Borda,, External affiliation of publication: Ludwig-Maximilians-Universitat Munchen
Yasuhiro Utsumi Yasuhiro Utsumi,, External affiliation of publication: Karlsruhe Institute of Technology, Campus South
H. Imamura H. Imamura,, External affiliation of publication: Tohoku University
S. Maekawa S. Maekawa,, External affiliation of publication: Institute for Materials Research, Tohoku University
J. König J. König,, External affiliation of publication: Karlsruhe Institute of Technology, Campus South
J. Von Delft J. Von Delft,, External affiliation of publication: Ludwig-Maximilians-Universitat Munchen
G. Schön G. Schön,, External affiliation of publication: Karlsruhe Institute of Technology, Campus South
Pages
421-426
Book
Realizing Controllable Quantum States: Mesoscopic Superconductivity and Spintronics - In the Light of Quantum Computation, 2005, 421-426 p., ISBN 9789812564689
DOI
DOI:10.1142/9789812701619_0065 Opening in a new tab
Language
(en) English
Score (nominal)
3
Publication indicators
Scopus Citations = 0; WoS Citations = 0

Cite

RDF
Uniform Resource Identifier
https://researchportal.amu.edu.pl/info/article/UAM08983984d6f24022be5a89efdcc6a700/
URN
urn:amu-prod:UAM08983984d6f24022be5a89efdcc6a700

* presented citation count is obtained through Internet information analysis and it is close to the number calculated by the Publish or PerishOpening in a new tab system.

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