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Friedel Sum Rule for single channel quantum wire | | Swarnali Bandopadhyay
; P. Singha Deo
; | | Date: |
29 Oct 2002 | | Subject: | Mesoscopic Systems and Quantum Hall Effect | cond-mat.mes-hall | | Abstract: | Elastic scattering in a quantum wire has several novel features not seen in 1D, 2D or 3D. In this work we consider a single channel quantum wire as its application is inevitable in making devices based on quantum interference effects. We consider a point defect or a single delta function impurity in such a wire and show how some of these novel features affect Friedel-sum-rule (FSR) in a way, that is quite unlike in 1D, 2D and 3D. | | Source: | arXiv, cond-mat/0210635 | | Services: | Forum | Review | PDF | Favorites | |
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