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Charge Fluctuations in the Edge States of N-S hybrid Nano-Structures | | Andrew M. Martin
; Thomas Gramespacher
; Markus Buttiker
; | | Date: |
5 Nov 1999 | | Journal: | J. Phys.: Condens. Matter 11, L563 (1999) | | Subject: | Superconductivity; Mesoscopic Systems and Quantum Hall Effect | cond-mat.supr-con cond-mat.mes-hall | | Abstract: | In this work we show how to calculate the equilibrium and non-equilibrium charge fluctuations in a gated normal mesoscopic conductor which is attached to one normal lead and one superconducting lead. We then consider an example where the structure is placed in a high magnetic field, such that the transport is dominated by edge states. We calculate the equilibrium and non-equilibrium charge fluctuations in the gate, for a single edge state, comparing our results to those for the same system, but with two normal leads. We then consider the specific example of a quantum point contact and calculate the charge fluctuations in the gate for more than one edge state. | | Source: | arXiv, cond-mat/9911076 | | Services: | Forum | Review | PDF | Favorites | |
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