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Noise in mesoscopic physics

An Xing-Tao Li Yu-Xian Liu Jian-Jun

Noise in mesoscopic physics

An Xing-Tao, Li Yu-Xian, Liu Jian-Jun
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  • Cited By: 0
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  • Received Date:  11 December 2006
  • Accepted Date:  17 December 2006
  • Published Online:  20 July 2007

Noise in mesoscopic physics

  • 1. 河北师范大学物理科学与信息工程学院, 石家庄 050016

Abstract: We present a review on the noise in mesoscopic physics. The main sources of noise are briefed. The fluctuations in the occupation number give rise to thermal noise, while shot noise is a consequence of the quantization of charge. We introduce the main theory of noise——scattering theory, which has been applied to saddle-shaped semiconductor quantum wires and ferromagnetic/insulator/semiconductor double heterojunctions. The physical significance of the study of noise are pointed out.

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