Susceptibility inhomogeneity and non-Fermi liquid behavior in UCu $_{5-x}$ Pt

MacLaughlin, D. E.*; Rose, M. S.*; Bernal, O. O.*; Heffner, R. H.; Nieuwenhuys, G. J.*; Chau, R.*; Maple, M. B.*

Transverse-field SR shifts and relaxation rates have been measured in the non-Fermi liquid alloy system UCu $_{5-x}$ Pt. At low temperatures the fractional spread in Knight shifts is 2 for x=1, but is only half this value for x=1.5 and 2.5. In a disorder-driven scenario where the NFL behavior is due to a broadly distributed characteristic energy E, our results indicate that E/E $_{av}sim(delta$ K/K) $_{Trightarrow 0}$ is similar for UCu $_{5-x}$ Pd. Our results correlate with the observed suppression of other NFL anomaliess.

Language	:	English
Journal	:	Physica B; Condensed Matter
Volume	:	374-375
Number	:
Pages	:	p.174 - 176
Publication Year/Month	:	2006/03
Meeting title	:	10th International Conference on Muon Spin Rotation Relaxation and Resonance (SR 2005)
Held date	:	2005/08
Location (city)	:	Oxford
Location (country)	:	U.K.
Patent information	:
PDF	:
Paper URL	:	https://doi.org/10.1016/j.physb.2005.11.044
DOI for research data	:
Keywords	:	no keyword
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Press Release	:
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Registration No. : BB20073756
JAEA Abstracts No. :
Paper Submission No. : 6949

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Susceptibility inhomogeneity and non-Fermi liquid behavior in UCuPt

Susceptibility inhomogeneity and non-Fermi liquid behavior in UCu $_{5-x}$ Pt