SPECTRAL DENSITY FOR THE TUNNELING CURRENT ZERO-FREQUENCY SHOT-NOISE IN A ONE-DIMENTIONAL MESOSCOPIC SYSTEM
一维介观系统的隧道电流零频散粒噪声谱密度

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.