Document Detail

Singular effects of impurities near the ferromagnetic quantum-critical point.
MedLine Citation:
PMID:  12059438     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Systematic theoretical results for the effects of a dilute concentration of magnetic impurities on the thermodynamic and transport properties in the region around the quantum critical point of a ferromagnetic transition are obtained. In the quasiclassical regime, the dynamical spin fluctuations enhance the Kondo temperature. This energy scale decreases rapidly in the quantum fluctuation regime, where the properties are those of a line of critical points of the multichannel Kondo problem with the number of channels increasing as the critical point is approached, except at unattainably low temperatures where a single channel wins out.
H Maebashi; K Miyake; C M Varma
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Publication Detail:
Type:  Journal Article     Date:  2002-05-17
Journal Detail:
Title:  Physical review letters     Volume:  88     ISSN:  0031-9007     ISO Abbreviation:  Phys. Rev. Lett.     Publication Date:  2002 Jun 
Date Detail:
Created Date:  2002-06-12     Completed Date:  2002-07-09     Revised Date:  2003-11-03    
Medline Journal Info:
Nlm Unique ID:  0401141     Medline TA:  Phys Rev Lett     Country:  United States    
Other Details:
Languages:  eng     Pagination:  226403     Citation Subset:  -    
Department of Physical Science, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan.
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