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Relation Between Electrical Resistivity and Nuclear Relaxation Rate in Metallic States for both Fermi– and Non–Fermi–Liquid Phases

 

作者: N.H. March,  

 

期刊: Physics and Chemistry of Liquids  (Taylor Available online 1996)
卷期: Volume 33, issue 4  

页码: 261-264

 

ISSN:0031-9104

 

年代: 1996

 

DOI:10.1080/00319109608039827

 

出版商: Taylor & Francis Group

 

关键词: Two dimensional fermi liquid;metallic spin glass;non–fermi–liquid phase

 

数据来源: Taylor

 

摘要:

Fermi–liquid theory in two dimensions, for electron or hole liquids flowing through antiferromagnetic assemblies, yieldsRT1αT, whereRis the electrical resistivity andT1−1the nuclear relaxation rate. This relation holds over an appropriate temperature range for Cu spins in underdoped high Tccuprates. Here a non–Fermi–liquid phase of a strongly disordered metallic spin glass is pointed out to exhibit a relationRT1∝Tn, again over a restricted temperature range, where the exponentnhas the meanfield value of 5/4.

 

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