期刊
PHYSICAL REVIEW B
卷 69, 期 10, 页码 -出版社
AMERICAN PHYSICAL SOC
DOI: 10.1103/PhysRevB.69.104523
关键词
-
The vortex core radius rho(v), defined as the peak position of the supercurrent around the vortex, has been determined by muon spin rotation measurements in the mixed state of La2-xSrxCuO4 for x=0.13, 0.15, and 0.19. At lower doping (x=0.13 and 0.15), rho(v)(T) increases with decreasing temperature T, which is opposite to the behavior predicted by the conventional theory. Moreover, rho(v)(T-->0) is significantly larger than the Ginzburg-Landau coherence length determined by the upper critical field, and shows a clear tendency to decrease with increasing the doping x. These features can be qualitatively reproduced in a microscopic model involving antiferromagnetic electronic correlations.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据