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Article overview
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Measurement of finite frequency noise cross-correlations with a resonant circuit | | Marjorie Creux
; Adeline Crepieux
; Thierry Martin
; | | Date: |
29 Jul 2005 | | Subject: | Mesoscopic Systems and Quantum Hall Effect | cond-mat.mes-hall | | Affiliation: | CPT), Adeline Crepieux (CPT), Thierry Martin (CPT | | Abstract: | The measurement of finite frequency noise cross-correlations represents an experimental challenge in mesoscopic physics. Here we propose a generalisation of the resonant LC circuit setup of Lesovik and Loosen which allow to probe directly such cross-correlations by measuring the charge fluctuations on the plates of a capacitor. The measuring circuit collects noise contributions at the resonant frequency of the LC circuit. Auto-correlation noise can be canceled out by switching the wires and making two distinct measurements. The measured cross-correlations then depend of four non-symmetrized correlators. This detection method is applied to a normal metal three terminal device. We subsequently discuss to what extent the measurement circuit can detect electron-antibunching and what singularities appear in the spectral density of noise cross-correlations. | | Source: | arXiv, cond-mat/0507708 | | Services: | Forum | Review | PDF | Favorites | |
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