Critical radius and magnetic field for vortex nucleation on a superconducting spherical surface

被引：2
|
作者：
Tempere, J.
Gladilin, V. N.
Silvera, I. F.
Devreese, J. T.
机构：
[1] Univ Antwerp, TFVS, B-2020 Antwerp, Belgium
[2] Harvard Univ, Lyman Lab Phys, Cambridge, MA 02138 USA
来源：
JOURNAL OF LOW TEMPERATURE PHYSICS | 2007年 / 148卷 / 3-4期
关键词：
LIQUID-HELIUM; MULTIELECTRON BUBBLES;
D O I：
10.1007/s10909-007-9364-3
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Spherical, two-dimensional electron systems are realized in nanoshells and multielectron bubbles in helium. In this contribution, we investigate the superconducting state of such shells using a variational Ginzburg-Landau formulation. A phase diagram as a function of the sphere radius and the magnetic field is derived, and we calculate a critical radius below which vortices cannot be nucleated on the superconducting spherical surface.
引用
收藏
页码：181 / 186
页数：6
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