Superconducting Vortex with Antiferromagnetic Core

摘要: We show that a superconducting vortex in underdoped high T{sub c} superconductors could have an antiferromagnetic core. This type of configuration arises as topological solution the recently constructed SO(5) nonlinear {sigma} model and Landau-Ginzburg theory with competing order parameters. Experimental detection this by muon spin resonance neutron scattering is proposed. {copyright} {ital 1997} The American Physical Society}