Caramico D'Auria, Alvaro (2006) A non conventional approach to study the quenched impurity effects on quantum criticality. [Pubblicazione in rivista scientifica]

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Item Type: Pubblicazione in rivista scientifica
Resource language: English
Title: A non conventional approach to study the quenched impurity effects on quantum criticality
Creators:
CreatorsEmail
Caramico D'Auria, AlvaroUNSPECIFIED
Autore/i: A. Caramico D'Auria, L. De Cesare, M.T. Mercaldo, I. Rabuffo
Date: 2006
Number of Pages: 0
Department: Scienze fisiche
Journal or Publication Title: PHYSICS LETTERS A
Date: 2006
Volume: 356
Page Range: pp. 178-182
Number of Pages: 0
Date Deposited: 20 Oct 2010 08:00
Last Modified: 30 Apr 2014 19:42
URI: http://www.fedoa.unina.it/id/eprint/6378

Collection description

A non conventional point of view is used to explore the competition between quenched disorder and quantum fluctuations in systems which exhibit a quantum phase transition in the clean limit. The approach consists in averaging over quantum degrees of freedom and next in applying the renormalization group transformation to the resulting effective classical random action. It emerges that, below four dimensions, the quantum criticality appears to be controlled by the classical random fixed point.

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