NOISE-INDUCED SPECTRAL NARROWING IN NONLINEAR OSCILLATORS

被引：10

作者：

DYKMAN, MI ^{[1
]}

MANNELLA, R ^{[1
]}

MCCLINTOCK, PVE ^{[1
]}

SOSKIN, SM ^{[1
]}

STOCKS, NG ^{[1
]}

机构：

[1] UNIV LANCASTER,DEPT PHYS,LANCASTER LA1 4YB,ENGLAND

来源：

EUROPHYSICS LETTERS | 1990年 / 13卷 / 08期

关键词：

FLUCTUATIONS PHENOMENA; RANDOM PROCESSES; AND BROWNIAN MOTION; IMPURITY AND DEFECT ABSORPTION IN SOLIDS; STATISTICAL MECHANICS;

D O I：

10.1209/0295-5075/13/8/004

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The spectral densities of the fluctuations of noise-driven underdamped nonlinear oscillators are discussed with particular reference to the large class of systems whose eigenfrequencies vary nonmonotonically with energy. It is shown by analogue electronic experiments and theoretically that, astonishingly, the widths of their spectral peaks can sometimes decrease with increasing noise intensity.

引用

页码：691 / 696

页数：6

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