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Current noise in a irradiated point contact | | Y. Levinson
; P. Woelfle
; | | Date: |
6 Jun 1999 | | Subject: | Mesoscopic Systems and Quantum Hall Effect | cond-mat.mes-hall | | Affiliation: | Weizmann) and P. Woelfle (Karlsruhe | | Abstract: | We propose a new approach to calculate current and current correlations in a ballistic quantum point contact interacting with a classical field. The approach is based on the concept of scattering states for a time dependent Hamiltonian neglecting electron-electron interaction. Using this approach we calculated the spectra of the current noise in a biased point contact irradiated by a weak random field. For typical radiation frequencies
u less than the temperature T and the bias voltage V we find a narrow peak of width
u on top of a broad background of width max (T,eV). | | Source: | arXiv, cond-mat/9906080 | | Services: | Forum | Review | PDF | Favorites | |
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