Journal article

Tunneling conductance of a mesoscopic ring with spin-orbit coupling and Tomonaga-Luttinger interaction

  • Pletyukhov, M. Institut für Theoretische Festkörperphysik, Universität Karlsruhe, Germany
  • Gritsev, Vladimir Department of Physics, Harvard University, Cambridge, USA - Département de Physique, Université de Fribourg, Switzerland
  • Pauget, N. Institut für Theoretische Festkörperphysik, Universität Karlsruhe, Germany
Published in:
  • Physical Review B. - 2006, vol. 74, p. 045301
English We study the tunneling current through a mesoscopic two-terminal ring with spin-orbit coupling, which is threaded by a magnetic flux. The electron-electron interaction in the ring is described in terms of a Tomonaga-Luttinger model which also allows us to account for a capacitive coupling between the ring and the gate electrode. In the regime of weak tunneling, we describe how, at temperatures lower than the mean level spacing, the peak positions of the conductance depend on magnetic flux, spin-orbit coupling strength, gate voltage, charging energy, and interaction parameters (charge and spin velocity and stiffness).
Faculté des sciences et de médecine
Département de Physique
  • English
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