考虑态密度的Van Hove奇异性和非电声作用,我们在BCS理论框架内研究了HgBa2Cun-1CunO2n+2+δ(n=1,2,3)系统的超导转变温度和同位素效应.结果表明,当同时考虑Van Hove奇异性和非电声作用时,可以更好地解释HgBa2Cun-1CunO2n+2+δ(n=1,2,3)系统的超导性质.
参考文献
[1] | Y.Rui;H.M.Shao;X.S.Rong et al.[J].Physical Review B,1995,51:9161. |
[2] | D.L.Noovikov;A.J.Freeman .[J].Physica C,1993,212:233. |
[3] | Hai-Qing Lin .[J].Physical Review B,2007,78:134504. |
[4] | H.B.Schutter;C.H.Pao .[J].Physical Review Letters,1995,75:4504. |
[5] | J.P.Carbotte;M.Greeson;A.Perez-Gonzalez .[J].Physical Review Letters,1991,66:1789. |
[6] | A.Nazarenko;E.Dagotto .[J].Physical Review B,1996,53:2987. |
[7] | A.Greco;R.Zeyher .[J].Physical Review B,1999,60:1296. |
[8] | Jullen Bok;Jacqueline Bouvier .[J].Physica C,2007,460-462:1010. |
[9] | P.Udomsamuthirun;C.Kumvongsa et al.[J].Physica C,2005,425:149. |
[10] | 德让纳 PG.金属与合金的超导电性[M].北京:科学出版社,1980:127. |
[11] | C.C.Tsuei;d.M.Newns et al.[J].Physical Review Letters,1990,65:2724. |
[12] | R. Abd-Shukor .Electron–phonon coupling constant of cuprate based high temperature superconductors[J].Solid State Communications,2007(10):587-590. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%