Disorder, metastability, and history dependence in transformations of a vortex lattice

被引:72
作者
Banerjee, SS
Patil, NG
Ramakrishnan, S
Grover, AK
Bhattacharya, S
Mishra, PK
Ravikumar, G
Rao, TVC
Sahni, VC
Higgins, MJ
Tomy, CV
Balakrishnan, G
Paul, DM
机构
[1] Tata Inst Fundamental Res, Bombay 400005, Maharashtra, India
[2] Bhabha Atom Res Ctr, Tech Phys & Prototype Engn Div, Mumbai 400085, India
[3] Indian Inst Technol, Dept Phys, Kanpur 208016, Uttar Pradesh, India
[4] Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England
关键词
D O I
10.1103/PhysRevB.59.6043
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Magnetic screening response of the superconductor 2H-NbSe2 with varying pinning reveals a rich evolution of the peak effect from a history-independent sharp anomaly to a broad and strongly history dependent effect with internal structure. The results display a stepwise disordering of the vortex lattice through transformations affected by both thermal fluctuations and quenched disorder. [S0163-1829(99)03309-3].
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页码:6043 / 6046
页数:4
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