GENERALIZED SUPERCONDUCTING GAP IN A BOSON-FERMION MODEL

被引:1
|
作者
Mamedov, T. A. [1 ,2 ]
De Llano, M. [3 ,4 ]
机构
[1] Baskent Univ, Fac Engn, TR-06530 Ankara, Turkey
[2] Azerbaijan Acad Sci, Inst Phys, Baku 370143, Azerbaijan
[3] Univ Connecticut, Dept Phys, Storrs, CT 06269 USA
[4] Univ Nacl Autonoma Mexico, Inst Invest Mat, Mexico City 04510, DF, Mexico
来源
INTERNATIONAL JOURNAL OF MODERN PHYSICS B | 2010年 / 24卷 / 25-26期
关键词
Cuprate superconductivity; boson-fermion models; Bose-Einstein condensation; pseudogap; HIGH-TEMPERATURE SUPERCONDUCTORS; COOPER PAIRS; T-C; PSEUDOGAP; SUPERFLUIDITY;
D O I
10.1142/S021797921005733X
中图分类号
O59 [应用物理学];
学科分类号
摘要
A quantum-statistical binary gas mixture model consisting of positive-energy resonant bosonic Cooper electron pairs in chemical and thermal equilibrium with single unpaired electrons yields, via two-time retarded Green functions, an analytic expression for a dimensionless coupling lambda-and temperature T-dependent generalized energy gap E-g(lambda, T) in the single-electron spectrum. The new gap gives a reasonable description of overdoped Bi2Sr2CuO6+delta (Bi2201).
引用
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页码:5202 / 5210
页数:9
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