Quasiparticle structure in antiferromagnetism around the vortex and nuclear magnetic relaxation time

Abstract

On the basis of the Bogoliubov-de Gennes theory for the two-dimensional extended Hubbard model, the vortex structure in d-wave superconductors is investigated including the contribution of the induced incommensurate antiferromagnetism around the vortex core. As the on-site repulsive interaction $U$ increases, the spatial structure of charge and spin changes from the antiferromagnetic state with checkerboard modulation to that with the stripe modulation. By the effect of the induced antiferromagnetic moment, the zero-energy density of states is suppressed, and the vortex core radius increases. We also study the effect of the local density of states (LDOS) change on the site-dependent nuclear relaxation rate $T_1^{-1}(\mathbf{r})$. These results are compared with a variety of experiments performed on high $T_c$ cuprates.

10pages, 8 figures

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Cited by in corpus (11)

• Scanning tunneling spectroscopy of high-temperature superconductors
• Putting competing orders in their place near the Mott transition
• High-Resolution Scanning Tunneling Spectroscopy of Vortex Cores in Inhomogeneous Electronic States of Bi2Sr2CaCu2Ox
• Antiferromagnetism and charged vortices in high-Tc superconductors
• Recursion method for the quasiparticle structure of a single vortex with induced magnetic order
• Effect of the Vortices on the Nuclear Spin Relaxation Rate in the Unconventional Pairing States of the Organic Superconductor (TMTSF)${}_2$PF${}_6$
• Quasiparticle heat transport in the mixed state of high $T_c$ superconductors
• Minimal model of charge and pairing density waves in X-ray scattering experiments
• Spatially Resolved NMR Relaxation Rate in a Noncentrosymmetric Superconductor
• Bogoliubov quasiparticles coupled to the antiferromagnetic spin mode in a vortex core
• Vortex core ordering in Abrikosov lattices