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Acta Physica Sinica (Overseas Edition), 1995, Vol. 4(10): 766-773    DOI: 10.1088/1004-423X/4/10/005
CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES Prev   Next  

TEMPERATURE-DEPENDENT ANISOTROPY IN La1.86Sr0.14CuO4

YUAN SONG-LIU (袁松柳)
High Magnetic Field Laboratory, Institute of Plasma Physics, Academia Sinica, Hefei 230031 , China
Abstract  Based on the scaling rule: R(T, H, $\theta$) = R(T, h), where h = H(sin2$\theta$+cos2$\theta$/$\gamma$2)1/2 and $\theta$ is field angle with respect to the ab-plane, the scaling approach is performed to examine the c-axis resistances of single crystalline La1.86Sr0.14CuO4 as functions of field and its orientation at different temperatures. The anisotropy parameter $\gamma$ of the system is extracted from the scaling approach, but shows an unusual temperature-dependent behavior, which is not expected by conventional theory. A phenomenological explanation of this temperature dependence is presented.
Received:  03 November 1994      Accepted manuscript online: 
PACS:  74.25.Fy  
  74.72.Dn  
  74.25.Op (Mixed states, critical fields, and surface sheaths)  
  74.25.Qt  
  74.62.-c (Transition temperature variations, phase diagrams)  
Fund: Project supported in part by the National Center of R & D on Superconductivity of China and by the Bureau of Education, Academia Sinica, for Excellent Returned Scientists.

Cite this article: 

YUAN SONG-LIU (袁松柳) TEMPERATURE-DEPENDENT ANISOTROPY IN La1.86Sr0.14CuO4 1995 Acta Physica Sinica (Overseas Edition) 4 766

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