Antiferromagnetism and charged vortices in high-Tc superconductors

Details Antiferromagnetism and charged vortices in high-Tc superconductors Antiferromagnetism and charged vortices in high-Tc superconductors

2004-09-27

arxiv.org/abs/cond-mat/0409701v2

Phys. Rev. B 71, 064504 (2005)

Physics

Condensed Matter

Superconductivity

14 pages, 8 figures, 2 column RevTex4 PRB format

Scientific paper

10.1103/PhysRevB.71.064504

The effect of the long-range Coulomb interaction on charge accumulation in antiferromagnetic vortices in high-Tc superconductors is studied within a Bogoliubov-de Gennes mean-field model of competing antiferromagnetic and d-wave superconducting orders. Antiferromagnetism is found to be associated with an accumulation of charge in the vortex core, even in the presence of the long-range Coulomb interaction. The manifestation of Pi-triplet pairing in the presence of coexisting dSC and AFM order, and the intriguing appearance of one-dimensional stripe-like ordering are discussed. The local density of states (LDOS) in the vortex core is calculated and is found to be in excellent qualitative agreement with experimental data.

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