Xray-Edge Spectra From Sea-Bosons-I

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dc.creatorSetlur, Girish S.
dc.date2001-11-22
dc.date.accessioned2026-07-07T02:43:37Z
dc.date.available2026-07-07T02:43:37Z
dc.descriptionThe well-studied phenomenon of X-ray edge singularities is revisited using the sea-boson approach that has recently been placed on a rigorous footing. We are able to reproduce the well-known result namely, Mahan's power law divergences. Unlike the work of Schotte and Schotte, no linearization of the bare fermion dispersion is needed, which, by their own admission, is a source of some difficulty. Our approach also brings out some differences between the different dimensions which is not present in their work. Finally, our work also allows for easy generalization to potentials more realistic than the simple delta-function used commonly in the literature.
dc.description8 pages, regular LaTeX, one inbuilt fig
dc.identifierhttps://arxiv.org/abs/cond-mat/0111423
dc.identifierhttp://arxiv.org/abs/cond-mat/0111423
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/18570
dc.subjectCondensed Matter
dc.titleXray-Edge Spectra From Sea-Bosons-I
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