Cooper pair formation in U(1) gauge theory of high temperature superconductivity

被引：0
|
作者：
Kumagai, A [1 ]
Hayashi, M [1 ]
Ebisawa, H [1 ]
机构：
[1] Tohoku Univ, Grad Sch Informat Sci, Sendai, Miyagi 9808579, Japan
来源：
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 2001年 / 70卷 / 02期
关键词：
high temperature superconductivity; RVB theory; gauge theory; Ginzburg-Landau theory; superconducting fluctuation;
D O I：
10.1143/JPSJ.70.509
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We study the two-dimensional spin-charge separated Ginzburg-Landau (GL) theory containing U(1) gauge interactions as a semi-phenomenological model describing fluctuating condensates in high temperature superconductivity. Based on the original GL action, we derive the effective action of Cooper pair. Especially, we clarify how Cooper pair correlation evolves in the normal state from the point of view of spin-charge separation. Furthermore, we show how Cooper pair couples to gauge field in a gauge-invariant way stressing the insensitivity of Cooper pair to infrared gauge field fluctuation.
引用
收藏
页码：509 / 512
页数：4
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