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Shot noise of spin current | | Baigeng Wang
; Jian Wang
; Hong Guo
; | | Date: |
5 May 2003 | | Subject: | cond-mat | | Abstract: | We report an exact solution for the noise spectrum of spin-current without charge-current in a spin field effect transistor (SFET). For the SFET with two leads, it is found that both auto- and cross-correlation functions are needed to characterize the noise of spin-current. A shot noise is also generated for the charge-current even though the net charge-current is identically zero. The noise spectra of spin-current and charge-current depends on the coupling strength between the SFET and the leads, and they may behave qualitatively differently. We also present results of noise spectra in the adiabatic regime. | | Source: | arXiv, cond-mat/0305066 | | Services: | Forum | Review | PDF | Favorites | |
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