Electron-Phonon Interaction in Cylindrical Nanostructures

被引：0

作者：

Sajfert, Viekoslav ^{[1
]}

Maskovic, Ljiljana ^{[2
]}

Jacimovski, Stevo ^{[3
]}

Popov, Dusan ^{[4
]}

Tosic, Bratislav ^{[5
]}

机构：

[1] Univ Novi Sad, Tech Fac M Pupin, Zrenjanin 23000, Serbia

[2] Acad Criminalist & Police Studies, Belgrade 11000, Serbia

[3] Univ Belgrade, Fac Elect Engn, Belgrade 11000, Serbia

[4] Univ Politehn, Timisoara 300736, Romania

[5] Vojvodina Acad Sci & Arts, Novi Sad 21000, Serbia

来源：

JOURNAL OF COMPUTATIONAL AND THEORETICAL NANOSCIENCE | 2008年 / 5卷 / 07期

关键词：

Nano Cross-Section; BCS Approach; Critical Superconductive Temperature; Magnetic Field Produced by Disc Currents;

D O I：

10.1166/jctn.2008.2558

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The superconductivity properties of cylinder with nano cross-section are investigated. In the nearest neighbours approximation, electron Hamiltonian of cylinder decays onto two independent Hamiltonians. One corresponds to electrons which propagate along chains parallel to the axis of cylinder. Second correspond to electrons moving in discs. The electron-phonon interaction Hamiltonians are found and superconductive properties were examined in the frames of BCS approach. It was shown that superconductive temperature in chains is several Kelvins, while in discs it can be higher for two orders of magnitude. It is also shown that magnetic field produced by electron currents in discs is of the order of thousand Tesla, i.e., extremely high.

引用

页码：1230 / 1239

页数：10

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