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数值计算了Ⅱ类超导体(T=0K)中磁通在洛伦兹力作用下的运动和噪声.结果表明,宽带噪声出现在塑性流动区域和磁通排序区域,它是由磁通之间流动的耗散引起的;窄带噪声出现在磁通的有序区域和运动布喇格相,它是由几乎具有相同速度运动的周期性磁通与钉扎之间的相互作用而引起的周期性速度调制所产生的.

参考文献

[1] Koshelev A E;Vinokur V M .Dynamic melting of the vortex lattice[J].Physical Review Letters,1994,73:3580-3583.
[2] Balents L;Fisher M P A .Temporal order in dirty driven periodic media[J].Physical Review Letters,1995,75:4270-4273.
[3] Balents L;Marchetti M C;Radzihovsky L .Comment on "moving glass phase of driven lattices"[J].Physical Review Letters,1997,78:751.
[4] Balents L.;Radzihovsky L.;Marchetti MC. .Nonequilibrium steady states of driven periodic media[J].Physical Review.B.Condensed Matter,1998(13):7705-7739.
[5] Giamarchi T;Doussal P L .Moving glass phase of driven lattices[J].Physical Review Letters,1996,76:3408-3411.
[6] Doussal P L;Giamarchi T .Moving glass theory of driven lattices with disorder[J].Physical Review B,1998,57:11356-11403.
[7] Pardo F;Cruz F;Gammel P L et al.Observation of smectic and moving-Blagg-glass phases in flowing vortex lattices[J].Nature,1998,396:348-350.
[8] Scheidl S;Vinokur V M .Driven dynamics of periodic elastic media in disorder[J].Physical Review E,1998,57:2574-2593.
[9] Moon K;Scalettar R T;Zimani G T .Dynamic phases of driven vortex systems[J].Physical Review Letters,1996,77:2778-2781.
[10] Olson CJ.;Nori F.;Reichhardt C. .Nonequilibrium dynamic phase diagram for vortex lattices[J].Physical review letters,1998(17):3757-3760.
[11] Olson C J;Reichhardt C .Transverse depinning in strongly driven vortex lattices with disorder[J].Physical Review B,2000,61:R3811-R3814.
[12] Kolton AB.;Gronbech-Jensen N.;Dominguez D. .Hall noise and transverse freezing in driven vortex lattices[J].Physical review letters,1999(15):3061-3064.
[13] Hellerqvist M C;Ephron D;White W R et al.Vortex dynamics in two-dimensional amorphous Mo77Ge23 films[J].Physical Review Letters,1996,76:4022-4025.
[14] Gruner G .The dynamics of charge-density waves[J].Reviews of Modern Physics,1988,60:1129-1181.
[15] Tsuboi T.;Maeda A.;Hanaguri T. .Local density fluctuations of moving vortices in the solid and liquid phases in Bi2Sr2CaCu2Oy[J].Physical review letters,1998(20):4550-4553.
[16] Togawa Y.;Iwaya K.;Kitano H.;Maeda A.;Abiru R. .Direct observation of the washboard noise of a driven vortex lattice in a high-temperature superconductor, Bi2Sr2CaCu2Oy[J].Physical review letters,2000(17):3716-3719.
[17] Troyanovski A M et al.Collective and plastic vortex motion in superconductors at high flux densities[J].Nature,1999,399:665-668.
[18] 刘旭东,王进,刘楣,邢定钰.磁通密度对第Ⅱ类超导体磁通动力学的影响[J].物理学报,2002(05):1122-1127.
[19] Liu M.;Liu XD.;Wang J.;Xing DY.;Lin HQ. .Dynamic phase diagram in a driven vortex lattice with random pinning and thermal fluctuations[J].Physics Letters, A,2003(2/3):149-156.
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