Stochastic resonance in an electron-spin-nuclear-spin system

被引：4

作者：

Gourier, D ^{[1
]}

Gerbault, D ^{[1
]}

机构：

[1] Ecole Natl Super Chim, Lab Chim Appl Etat Solide, CNRS, UMR 7574, F-75231 Paris 05, France

来源：

PHYSICAL REVIEW B | 1998年 / 57卷 / 05期

关键词：

D O I：

10.1103/PhysRevB.57.2679

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We report a realization of stochastic resonance, based on the intrinsic bistability of the magnetic resonance of conduction electrons in gallium oxide [E. Aubay and D. Gourier, Phys. Rev. B 47, 15 023 (1993); D. Gerbault and D. Gourier, ibid. 54, 6315 (1996)]. We show that the response to a small periodic magnetic field of the bistable conduction electron-spin-resonance signal can be amplified by the addition of an external random magnetic field. This is experimental evidence of stochastic resonance in the interaction of an electromagnetic field with an ensemble of two-level quantum systems (the Zeeman energy levels of free electrons).

引用

页码：2679 / 2682

页数：4

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