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:
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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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