Kondo effect and tristability in a double-quantum dot

Orellana, PA; Lara, GA; Anda, EV

Abstract

Electron tunneling through a non-equilibrium double quantum dot in a series in the Kondo regime is studied. In the region of negative differential resistance, it is shown that this system possesses a complex response to the applied potential characterized by a tristable solution for the current. The different natures of the solutions are characterized and it is shown that the effects of an applied magnetic field could be used to control the region of tristability. The mean-field slave-boson formalism is used to obtain the solution of the problem. (C) 2002 Elsevier Science B.V. All rights reserved.

Más información

Título según WOS: Kondo effect and tristability in a double-quantum dot
Título de la Revista: PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES
Volumen: 17
Número: 1-4
Editorial: ELSEVIER SCIENCE BV
Fecha de publicación: 2003
Página de inicio: 152
Página final: 153
DOI:

10.1016/S1386-9477(02)00719-1

Notas: ISI