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MgB2的经验有效声子谱及电声耦合常数的计算
Approximate effective phonon spectrum with calculation of electron-phonon coupling constant in MgB2
【摘要】 对MgB2有效声子谱实验曲线进行数值取点,通过这些点对已知图形进行分段拟合,从而得到了经验有效声子谱,并计算出电声耦合常数等于0.81。
【Abstract】 Dots from effective phonon spectrum of MgB2 were taken, these data was sectionally fitted to the known figure and got the experiential eliashberg function. Finally calculated out the E-P coupling constant =0.81.
【关键词】 有效声子谱;
电声耦合常数;
拟合函数;
【Key words】 Effective phonon spectrum; E-P coupling constant; Fitted function;
【Key words】 Effective phonon spectrum; E-P coupling constant; Fitted function;
- 【文献出处】 延边大学学报(自然科学版) ,Journal of Yanbian University (Natural Science Edition) , 编辑部邮箱 ,2003年02期
- 【分类号】O511.2
- 【被引频次】3
- 【下载频次】153