| Issue |
Europhys. Lett.
Volume 58, Number 3, May 2002
|
|
|---|---|---|
| Page(s) | 401 - 407 | |
| Section | Condensed matter: electronic structure, electrical, magnetic, and optical properties | |
| DOI | https://doi.org/10.1209/epl/i2002-00653-5 | |
| Published online | 01 August 2002 | |
Possibility of two-channel spin-
Kondo
conductance in a quantum dot
1
Istituto Nazionale di Fisica della Materia (INFM)
Unità di Napoli - Napoli, Italy
2
Dipartimento di Scienze Fisiche, Università di Napoli
“Federico II” Monte S. Angelo - via Cintia, I-80126 Napoli, Italy
3
GES, UMR 5650, Université Montpellier II
34095 Montpellier Cedex 5, France
Received:
14
September
2001
Accepted:
1
February
2002
By combining exact diagonalization with scaling method, we show
that it is possible to realize two-channel spin-
Kondo (2CK) conductance in a quantum dot at Coulomb Blockade, with
an odd number of electrons and with contacts in a pillar
configuration, as an applied orthogonal magnetic field B is
tuned at an appropriate level crossing.
PACS: 71.10.Ay – Fermi-liquid theory and other phenomenological models / 72.15.Qm – Scattering mechanisms and Kondo effect / 73.23.-b – Electronic transport in mesoscopic systems
© EDP Sciences, 2002
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