Extended Power Law Nonlinear Response and Amplitude-Dependent ac Susceptibility of High-Tc Superconductors
NING Zhen-Hua, CHEN Kai-Xuan, YIN Lan, LU Guo, XU Xiao-Lin, GUO Jian-Dong, WANG Fu-Ren, YIN Dao-Le
Department of Physics, Peking University, Beijing 100871
Extended Power Law Nonlinear Response and Amplitude-Dependent ac Susceptibility of High-Tc Superconductors
NING Zhen-Hua;CHEN Kai-Xuan;YIN Lan;LU Guo;XU Xiao-Lin;GUO Jian-Dong;WANG Fu-Ren;YIN Dao-Le
Department of Physics, Peking University, Beijing 100871
关键词 ：
74.25.Ha ,
74.20.De ,
74.25.Sv ,
74.25.Fy
Abstract ： We show a nonlinear materials equation of superconductors in the form of an extended power law which can be derived from the Ginzburg-Landau (GL) functional. The critical current Jc and ac susceptibility X are analysed by using this equation, and the puzzling question of the increasing height of the out-of-phase susceptibility peak X''peak with increasing amplitude hac is explained.
Key words ：
74.25.Ha
74.20.De
74.25.Sv
74.25.Fy
出版日期: 2004-07-01
:
74.25.Ha
(Magnetic properties including vortex structures and related phenomena)
74.20.De
(Phenomenological theories (two-fluid, Ginzburg-Landau, etc.))
74.25.Sv
(Critical currents)
74.25.Fy
引用本文:
NING Zhen-Hua;CHEN Kai-Xuan;YIN Lan;LU Guo;XU Xiao-Lin;GUO Jian-Dong;WANG Fu-Ren;YIN Dao-Le. Extended Power Law Nonlinear Response and Amplitude-Dependent ac Susceptibility of High-Tc Superconductors[J]. 中国物理快报, 2004, 21(7): 1340-1343.
c Superconductors. Chin. Phys. Lett., 2004, 21(7): 1340-1343.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2004/V21/I7/1340
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