Rare regions and annealed disorder in quantum phase transitions

Preprint

22 December 1999

preprint
Published by arXiv in arXiv

https://doi.org/10.48550/arXiv.cond-mat/9907384

Abstract

The Griffiths region that is due to rare regions and the resulting local moments in disordered itinerant quantum magnets, and its influence on the critical behavior, is considered within the framework of an effective field theory. It is shown that the local moments can be described in terms of static, annealed disorder, and the physical consequences of this description are discussed.

Keywords

EFFECTIVE FIELD THEORY
DISORDERED ITINERANT
PHASE TRANSITIONS
ANNEALED DISORDER
GRIFFITHS REGION
LOCAL MOMENTS
QUANTUM PHASE
RARE REGIONS

All Related Versions

Version 1, 1999-07-25, ArXiv
Version 2, 1999-12-22, ArXiv

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