Caramico D'Auria, Alvaro (2006) Field-induced quantum criticality of systems with ferromagnetically coupled structural spin units. [Pubblicazione in rivista scientifica]

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Item Type: Pubblicazione in rivista scientifica
Lingua: English
Title: Field-induced quantum criticality of systems with ferromagnetically coupled structural spin units
Creators:
CreatorsEmail
Caramico D'Auria, AlvaroUNSPECIFIED
Autore/i: I. Rabuffo, M.T. Mercaldo, L. De Cesare, A. Caramico D'Auria
Date: 2006
Number of Pages: 0
Department: Scienze fisiche
Journal or Publication Title: PHYSICS LETTERS A
Date: 2006
Volume: 356
Page Range: pp. 174-177
Number of Pages: 0
Uncontrolled Keywords: anisotropic ferromagnetic Heisenberg model, quantum phase transitions, dimers, ladders
Date Deposited: 20 Oct 2010 08:00
Last Modified: 30 Apr 2014 19:42
URI: http://www.fedoa.unina.it/id/eprint/6377

Abstract

The field induced quantum criticality of compounds with ferromagnrtically coupled structural spin units ( as dimmers and ladders ) is explored by applying Wilson's renormalization group framework to an appropriate effective action. We determine the low temperature phase boundary and the behavior of relevant quantities decreasing the temperature with the applied magnetic field fixed at its quantum critical point value. In this context a plausible interpretation of some recent experimental results is suggested.

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