SPECTRAL DENSITY FOR THE TUNNELING CURRENT ZERO-FREQUENCY SHOT-NOISE IN A ONE-DIMENTIONAL MESOSCOPIC SYSTEM | Zendy

ZHU ZHU-XIANG | Zendy; Dafang Zheng | Zendy; Youyan Liu | Zendy

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SPECTRAL DENSITY FOR THE TUNNELING CURRENT ZERO-FREQUENCY SHOT-NOISE IN A ONE-DIMENTIONAL MESOSCOPIC SYSTEM

Author(s) -

ZHU ZHU-XIANG,

Dafang Zheng,

Youyan Liu

Publication year - 1999

Publication title -

acta physica sinica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.199

H-Index - 47

ISSN - 1000-3290

DOI - 10.7498/aps.48.302

Subject(s) - mesoscopic physics , shot noise , physics , noise (video) , spectral density , non equilibrium thermodynamics , zero (linguistics) , quantum tunnelling , current (fluid) , infrasound , current density , noise spectrum , condensed matter physics , spectral line , computational physics , quantum mechanics , optics , acoustics , detector , telecommunications , computer science , linguistics , philosophy , noise reduction , artificial intelligence , image (mathematics) , thermodynamics

We have derived the expression of the spectral density for the current shot-noise in terms of the nonequilibrium Green's functions(closed-path Green's functions) for a one-dimentional mesoscopic junction, and performed numerical calculations to discuss the dependence of the zero frequency spectral density for the currentshot-noise on other variables when the tunnling junction is pure or impure.

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