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dc.contributor.authorPradhan, P.-
dc.contributor.authorKumar, N.-
dc.date.accessioned2007-06-11T04:35:44Z-
dc.date.available2007-06-11T04:35:44Z-
dc.date.issued1998-10-
dc.identifier.citationEurophysics Letters, 1998, Vol.44, p131-136en
dc.identifier.issn0295-5075-
dc.identifier.issn1286-4854 (Online)-
dc.identifier.urihttp://hdl.handle.net/2289/2653-
dc.descriptionRestricted Access. An open-access version is available at arXiv.org (one of the alternative locations)en
dc.description.abstractGeometric phase shift associated with an electron propagating through a dimerized disordered continuum is shown to be 0, or ±π (modulo 2π), according to whether the associated circuit traversed in the two-dimensional parameter space excludes, or encircles a certain singularity. This phase shift is a topological invariant. Its discontinuous dependence on the electron energy and disorder implies a statistical spectral and conductance fluctuation in a corresponding mesoscopic system. Inasmuch as the fluctuation derives from the discreteness of the phase shift, it may aptly be called a topological shot noise.en
dc.format.extent251796 bytes-
dc.format.mimetypeapplication/pdf-
dc.language.isoenen
dc.publisherIOP Publishing Ltd.en
dc.relation.urihttp://arxiv.org/abs/cond-mat/9712175en
dc.relation.urihttp://dx.doi.org/10.1209/epl/i1998-00446-xen
dc.rights1998 IOP Publishing Ltd.en
dc.titleGeometric phase for a dimerized disordered continuum: Topological shot noiseen
dc.typeArticleen
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