Observation of quantum effects of vortices in MgB2 superconductors
文献类型:期刊论文
作者 | Zhang, YZ ; Deltour, R ; Wen, HH ; Zhao, ZX |
刊名 | PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS
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出版日期 | 2003 |
卷号 | 388页码:173 |
关键词 | TEMPERATURE |
ISSN号 | 0921-4534 |
通讯作者 | Zhang, YZ (reprint author), Chinese Acad Sci, Inst Phys, Natl Lab Superconduct, POB 603, Beijing 100080, Peoples R China. |
中文摘要 | Irreversibility lines and magnetic relaxation of MgB2 are studied. The large separation between irreversibility line and upper critical magnetic field for T --> 0 is explained by quantum fluctuations of vortices. Theoretical fits are in good agreement with experimental data. Magnetic relaxation rates of MgB2 are studied. A quantum correction of the relaxation rate is proposed, leading to a simple evaluation of the energy barrier: U-0(T, H) similar to U-th(T)U-H(H) proportional to (1 - T/T-c)(alpha)(mu(0)H)(beta) with alpha similar to 1.5 and beta similar to -2.0. (C) 2003 Elsevier Science B.V. All rights reserved. |
收录类别 | SCI |
语种 | 英语 |
公开日期 | 2013-09-24 |
源URL | [http://ir.iphy.ac.cn/handle/311004/50167] ![]() |
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 | Zhang, YZ,Deltour, R,Wen, HH,et al. Observation of quantum effects of vortices in MgB2 superconductors[J]. PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS,2003,388:173. |
APA | Zhang, YZ,Deltour, R,Wen, HH,&Zhao, ZX.(2003).Observation of quantum effects of vortices in MgB2 superconductors.PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS,388,173. |
MLA | Zhang, YZ,et al."Observation of quantum effects of vortices in MgB2 superconductors".PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS 388(2003):173. |
入库方式: OAI收割
来源:物理研究所
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