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Open Quantum Systems Decoherence Spin Qubits Silicon Quantum Computing

Spin-dependent transport through an interacting quantum dot.

PubMed
Authors: Zhang P, Xue QK, Wang Y, Xie XC

Year

2002

Paper ID

13045

Status

Peer-reviewed

Abstract Read

~2 min

Abstract Words

99

Citations

147

Abstract

We study the nonequilibrium spin transport through a quantum dot coupled to the magnetic electrodes. A formula for the spin-dependent current is obtained and is applied to discuss the linear conductance and magnetoresistance in the interacting regime. We show that the Kondo resonance and the correlation-induced spin splitting of the dot levels may be systematically controlled by internal magnetization in the electrodes. As a result, when the electrodes are in parallel magnetic configuration, the linear conductance is characterized by two spin-resolved peaks. Furthermore, the presence of the spin-flip process in the dot splits the Kondo resonance into three peaks.

Why This Paper Matters

  • This paper contributes to the Open Quantum Systems & Decoherence research area in the Quantum Articles archive.
  • It adds a 2002 reference point for readers tracking recent quantum research.
  • We study the nonequilibrium spin transport through a quantum dot coupled to the magnetic electrodes.

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References & Citation Signals

[1] DOI https://doi.org/10.1103/PhysRevLett.89.286803 [2] Publisher https://pubmed.ncbi.nlm.nih.gov/12513172/

Local Citation Graph (Related-Paper Links)

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External citation index: OpenAlex citation signal • updated 2026-06-13 03:41:20

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