Superconducting Vortex with Antiferromagnetic Core

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We show that a superconducting vortex in underdoped high T_c superconductors could have an antiferromagnetic core. This type of vortex configuration arises as a topological solution in the recently constructed SO(5) nonlinear sigma model and in Ginzburg-Landau theory with competing antiferromagnetic and superconducting order parameters. Experimental detection of this type of vortex by μSR and neutron scattering is proposed.
revised version; 4 pages, LaTeX, 3 encapsulated postscript figures, submitted to Phys. Rev. Lett

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Superconductivity, Disordered Systems and Neural Networks, Strongly Correlated Electrons

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http://salesiana.dossiersoluciones.com/handle/123456789/207038

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/9704048
 http://arxiv.org/abs/cond-mat/9704048
 Phys.Rev.Lett.79:2871-2874,1997
 doi:10.1103/PhysRevLett.79.2871

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arXiv