Caramico D'Auria, Alvaro (2009) Disorder-induced quantum-Griffiths-like features from a non-conventional renormalization group analysis near four dimensions. [Pubblicazione in rivista scientifica]
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Original publication URL: www.elsevier.com/locate/physa
Item Type: | Pubblicazione in rivista scientifica |
---|---|
Resource language: | English |
Title: | Disorder-induced quantum-Griffiths-like features from a non-conventional renormalization group analysis near four dimensions. |
Creators: | Creators Email Caramico D'Auria, Alvaro UNSPECIFIED |
Autore/i: | I. RABUFFO, M.T. MERCALDO, A.CARAMICO D'AURIA, L. DE CESARE |
Date: | 2009 |
Number of Pages: | 12 |
Department: | Scienze fisiche |
Identification Number: | 10.1016/j.physa.2009.07.033 |
Original publication URL: | www.elsevier.com/locate/physa |
Journal or Publication Title: | PHYSICA. A |
Date: | 2009 |
Volume: | 388 |
Page Range: | pp. 4523-4534 |
Number of Pages: | 12 |
Keywords: | quantum criticality, quenched disorder, crossover phenomena |
Identification Number: | 10.1016/j.physa.2009.07.033 |
Date Deposited: | 21 Oct 2010 06:57 |
Last Modified: | 30 Apr 2014 19:43 |
URI: | http://www.fedoa.unina.it/id/eprint/7489 |
Collection description
We investigate the role played by symmetry conserving quenched disorder on quantum criticality of a variety of d-dimensional systems with a continuous symmetry order parameter.We employ a non standard procedure which combines a preliminary reduction to an effective classical problem and a successive renormalization group treatment. We find a quantum critical point scenario exhibiting unusual features, which remind us of some predictions of the quantum Griffiths phase model
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