在相变临界点附近的非线性响应函数普遍遵守幂律.它如何与相变两方单个匀相的物性相联结的问题尚未得到很好的解决.本文给出一个从高温下的正常态到低温下超导混合态的电阻转变方程.它与MgB2和YBaCuO实验数据符合得很好,并能解释多年令人困惑的交流耗散响应峰值的振幅效应.本文还进一步讨论了与此相似的"扩展幂律"型非线性响应函数应用于其他相变临界现象的问题.
参考文献
[1] | M E Fisher .[J].Reviews of Modern Physics,1998,70:653. |
[2] | R H Koch;V Foglietti;W J Gallagher;G Koren,A Gupta and M P A Fisher .[J].Physical Review Letters,1989,63:1511. |
[3] | M P A Fisher .[J].Physical Review Letters,1989,62:1415. |
[4] | G Blatterc et al.[J].Reviews of Modern Physics,1994,66:1125. |
[5] | D.R.Strachan;M.C.Sullivan;P.Fournier;S.P.Pai, T.Venkatesan and C.J.Lobb .[J].Physical Review Letters,2001,87:067007. |
[6] | D.R.Nelson .[J].Physical Review Letters,1988,60:1973. |
[7] | J.Bardeen;M.J.Stephen .[J].Physical Review,1965,A140:1197. |
[8] | J.Bardeen .[J].Reviews of Modern physics,1962(34):667. |
[9] | D.K.Finnemore et al.[J].Physical Review Letters,2001,86:2420. |
[10] | W K Kwork et al.[J].Physical Review Letters,1992,69:3370. |
[11] | A P Malozemoff;T K Worthington;Y Yoshrum;F.Holzberg and P.H.Kes .[J].Physical Review,1988,B38:7203. |
[12] | G Lu et al.[J].Modern Physics Letters,1990(B4):1361-1364. |
[13] | L Fabrega et al.[J].Phys,1993,B47:15250-15260. |
[14] | Th Herzog et al.[J].Physical Review,1997,B56:2871-2881. |
[15] | J R Clem.[A].Plenum Press,1991:177-211. |
[16] | M Grayson;D C Tsui;L N Pfeiffer .[J].Physical Review,1997,B56:2012. |
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