Tunneling spectroscopy of superconducting nanospheres

被引：2
|
作者：
Hopjan, Miroslav [1 ,2 ]
Lipavsky, Pavel [2 ]
机构：
[1] Lund Univ, Dept Phys, S-22100 Lund, Sweden
[2] Charles Univ Prague, Fac Math & Phys, CR-12116 Prague 2, Czech Republic
来源：
PHYSICAL REVIEW B | 2014年 / 89卷 / 09期
关键词：
ULTRASMALL METALLIC GRAINS; DISCRETE ELECTRONIC STATES; ENERGY-SPECTRUM; MERCURY FILMS; NANOCLUSTERS; NANOPARTICLES; PARTICLES;
D O I：
10.1103/PhysRevB.89.094507
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Energy spectra of superconducting nanospheres observed via tunneling spectroscopy are theoretically discussed. In the energy gap we find small peaks which correspond to the two-particle dynamics beyond the mean-field BCS approximation. These peaks promise to be a sensitive test of theories of superconductivity as their number and positions depend on the approximation used.
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页数：10
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