NEGATIVE MAGNETORESISTANCE OF CE3BI4PT3 AT LOW-TEMPERATURES

被引：8
|
作者：
SANCHEZCASTRO, C
机构：
[1] Los Alamos National Laboratory, Los Alamos
来源：
PHYSICAL REVIEW B | 1994年 / 49卷 / 07期
关键词：
D O I：
10.1103/PhysRevB.49.4421
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We have calculated the field dependence of the magnetoresistance and the Hall constant for the N = 2 insulating phase of the Anderson lattice Hamiltonian using a slave-boson approach. At low temperatures, the magnetoresistance is negative and its field dependence as well as that of the Hall coefficient are in qualitative agreement with the experimental results for Ce3Bi4Pt3. At high temperatures, the magnetoresistance has a small positive quadratic field dependence. We predict an almost identical value of the transverse and longitudinal magnetoresistances for this compound at low temperatures.
引用
收藏
页码：4421 / 4424
页数：4
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