Superconducting Vortex with Antiferromagnetic Core

Details Superconducting Vortex with Antiferromagnetic Core Superconducting Vortex with Antiferromagnetic Core

1997-04-06

arxiv.org/abs/cond-mat/9704048v2

Phys.Rev.Lett.79:2871-2874,1997

Physics

Condensed Matter

Superconductivity

revised version; 4 pages, LaTeX, 3 encapsulated postscript figures, submitted to Phys. Rev. Lett

Scientific paper

10.1103/PhysRevLett.79.2871

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 \mu SR and neutron scattering is proposed.

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