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EFFECTS OF THE FLUCTUATIONS ON THERMODYNAMIC PROPERTIES OF THE MIXED-VALENCE COMPOUNDS
HU, LB; YANG, FM; LIN, TH; HU, LB , YANTAI UNIV,DEPT PHYS,YANTAI 264005,PEOPLES R CHINA.
1995
发表期刊COMMUNICATIONS IN THEORETICAL PHYSICS
ISSN0253-6102
卷号24期号:3页码:277-290
摘要Based on the SU(N-d) Anderson lattice model in the slave boson formalism, we study the effect of fluctuations around the saddle-point approximation on the thermodynamic properties for mixed valence lattice systems. The fluctuation component of slave boson held is explicitly introduced and its interactions with electrons are studied. By using the Green's function technique we obtain modified self-consistent equations of mean-field parameters and free energy. The fluctuation correction to the pseudophase transition temperature is obtained, and the validity of the mean-field approximation is examined. In the limit of low energy and small momentum transfer, a fluctuation correction to the specific heat proportional to T(3)lnT at low temperature is extracted. The chemical potential shift is also studied. In order to describe the thermodynamic properties correctly, it is important to determine the chemical potential shift properly.
部门归属ACAD SINICA,INST THEORET PHYS,BEIJING 100080,PEOPLES R CHINA; BEIJING UNIV,DEPT PHYS,BEIJING 100871,PEOPLES R CHINA; CCAST,WORLD LAB,BEIJING 100080,PEOPLES R CHINA
关键词Anderson Lattice
学科领域Physics
收录类别SCI
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/12693
专题理论物理所1978-2010年知识产出
通讯作者HU, LB , YANTAI UNIV,DEPT PHYS,YANTAI 264005,PEOPLES R CHINA.
推荐引用方式
GB/T 7714
HU, LB,YANG, FM,LIN, TH,et al. EFFECTS OF THE FLUCTUATIONS ON THERMODYNAMIC PROPERTIES OF THE MIXED-VALENCE COMPOUNDS[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,1995,24(3):277-290.
APA HU, LB,YANG, FM,LIN, TH,&HU, LB , YANTAI UNIV,DEPT PHYS,YANTAI 264005,PEOPLES R CHINA..(1995).EFFECTS OF THE FLUCTUATIONS ON THERMODYNAMIC PROPERTIES OF THE MIXED-VALENCE COMPOUNDS.COMMUNICATIONS IN THEORETICAL PHYSICS,24(3),277-290.
MLA HU, LB,et al."EFFECTS OF THE FLUCTUATIONS ON THERMODYNAMIC PROPERTIES OF THE MIXED-VALENCE COMPOUNDS".COMMUNICATIONS IN THEORETICAL PHYSICS 24.3(1995):277-290.
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