Coexistence of Superconductivity and Ferromagnetism in Ferromagnetic Metals

descriptionPublicationkeyboard_double_arrow_right Article , Other literature type , Preprint 29 Jan 2001Embargo end date: 01 Jan 1999 English Publisher:American Physical Society (APS)Journal:Physical Review Letters, volume 86, pages 846-849 (issn: 0031-9007, eissn: 1079-7114,

Copyright policy )Funded by:NSF | U.S.-Bulgaria Cooperative...

Authors: Karchev, N. I.; Blagoev, K. B.; Bedell, K. S.; Littlewood, P. B.;

doi: 10.1103/physrevlett.86.846 , 10.48550/arxiv.cond-mat/9911489 , 10.17877/de290r-12204

pmid: 11177955

arXiv: cond-mat/9911489

Coexistence of Superconductivity and Ferromagnetism in Ferromagnetic Metals

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Abstract

In this paper we address the question of coexistence of superconductivity and ferromagnetism in the high temperature superconductor RuSr$_2$GdCu$_2$O$_{8-��}$. Using a field theoretical approach we study a one-fermion effective model of a ferromagnetic superconductor in which the quasiparticles responsible for the ferromagnetism form the Cooper pairs as well. We discuss the physical features which are different in this model and the standard BCS model and consider their experimental consequences.

4pages, 2figures

Related Organizations

Boston College
United States
Department of Physics Boston College
United States
Sofia University
Bulgaria
Cavendish Laboratory
United Kingdom
University of Cambridge
United Kingdom

Keywords

Superconductivity (cond-mat.supr-con), Condensed Matter - Strongly Correlated Electrons, Strongly Correlated Electrons (cond-mat.str-el), Condensed Matter - Superconductivity, FOS: Physical sciences, 530

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