A multi-channel fixed point for a Kondo spin coupled to a junction of Luttinger liquids

Chandra, V. Ravi ; Rao, S. ; Sen, D. (2007) A multi-channel fixed point for a Kondo spin coupled to a junction of Luttinger liquids Europhysics Letters, 75 (5). pp. 797-803. ISSN 0295-5075

Full text not available from this repository.

Official URL: http://iopscience.iop.org/article/10.1209/epl/i200...

Related URL: http://dx.doi.org/10.1209/epl/i2006-10167-8

Abstract

We study a system of an impurity spin coupled to a junction of several Tomonaga-Luttinger liquids using a renormalization group scheme. For the decoupled S-matrix at the junction, there is a range of Kondo couplings which flow to a multi-channel fixed point for repulsive inter-electron interactions; this is associated with a characteristic temperature dependence of the spin-flip scatterings. If the junction is governed by the Griffiths S-matrix, the Kondo couplings flow to a strong-coupling fixed point where all the wires are decoupled.

Item Type:Article
Source:Copyright of this article belongs to European Physical Society.
ID Code:109510
Deposited On:01 Feb 2018 05:13
Last Modified:01 Feb 2018 05:13

Repository Staff Only: item control page