Dynamical phase transition of a driven vortex lattice with disordered pinning

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	Dynamical phase transition of a driven vortex lattice with disordered pinning
	Zhu, BY ; Xing, DY ; Dong, JM ; Zhao, BR
刊名	PHYSICA C
	1999
卷号	311 期号:1-2 页码:140
关键词	MAGNETIZATION HYSTERESIS LOOPS MELTING TRANSITION MIXED-STATE TEMPERATURE SUPERCONDUCTORS RESISTIVE HYSTERESIS UNTWINNED YBA2CU3O7 SINGLE-CRYSTALS PLASTIC-FLOW FLUX-DENSITY VORTICES
ISSN号	0921-4534
通讯作者	Zhu, BY: Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China.
中文摘要	We have numerically served the overdamped equation of vortex motion in a two-dimensional driven vol tex lattice with disordered pinning, in which the driving Lorentz force, the pinning force due to point defects, the intervortex interacting force, and the thermal fluctuation force are taken into account. It is found that the vortex density and pinning strength are two important factors of affecting the melting transition of a vortex lattice. At low magnetic fields, there exist hysteresis loops of the average vortex velocity and the average pinning force vs, the driving force, from which the feature of a first-order melting transition of the vortex motion can be clearly seen. As the magnetic field is increased beyond a critical value, the hysteresis loops disappear and the melting transition is replaced by a second-order glass transition. We have also studied the influence of intervortex interactions on the vortex melting transition by comparing several forms of repulsive fortes between the vortices. (C) 1999 Elsevier Science B.V. All rights reserved.
收录类别	SCI
语种	英语
公开日期	2013-09-17
内容类型	期刊论文
源URL	[http://ir.iphy.ac.cn/handle/311004/36275]
专题	物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文
推荐引用方式 GB/T 7714	Zhu, BY,Xing, DY,Dong, JM,et al. Dynamical phase transition of a driven vortex lattice with disordered pinning[J]. PHYSICA C,1999,311(1-2):140.
APA	Zhu, BY,Xing, DY,Dong, JM,&Zhao, BR.(1999).Dynamical phase transition of a driven vortex lattice with disordered pinning.PHYSICA C,311(1-2),140.
MLA	Zhu, BY,et al."Dynamical phase transition of a driven vortex lattice with disordered pinning".PHYSICA C 311.1-2(1999):140.