Radiation spectrum of a long Josephson flux-flow oscillator

被引：25
|
作者：
Betenev, AP
Kurin, VV
机构：
[1] Institute for Physics of Microstructures, Nizhny Novgorod
来源：
PHYSICAL REVIEW B | 1997年 / 56卷 / 13期
关键词：
D O I：
10.1103/PhysRevB.56.7855
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A theoretical model for the radiation spectrum of an oscillator based on a flux flow through a long Josephson junction is considered. The broadening of the radiation linewidth due to nonperiodicity of a fluxon chain moving along the junction is found. The nonperiodicity arising due to intrinsic oscillations of the chain affected by the junction noise is treated in the white-noise approximation. At low noise the spectral line was found to have a Lorentz shape, the linewidth being proportional to the junction temperature.
引用
收藏
页码：7855 / 7857
页数：3
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