Spatially Resolved NMR Relaxation Rate in a Noncentrosymmetric Superconductor
N. Hayashi, K. Wakabayashi, P. A. Frigeri, Y. Kato, M. Sigrist
TL;DR
This study numerically investigates how the nuclear magnetic resonance relaxation rate varies spatially around a vortex in a noncentrosymmetric superconductor, highlighting differences between s+p-wave and s-wave pairing states.
Contribution
It provides the first detailed numerical analysis of spatially-resolved NMR relaxation rates in noncentrosymmetric superconductors with vortex cores.
Findings
Distinct NMR relaxation rate profiles for s+p-wave and s-wave pairings.
Identification of vortex core states influence on relaxation rates.
Comparison highlights the impact of pairing symmetry on NMR signals.
Abstract
We numerically study the spatially-resolved NMR around a single vortex in a noncentrosymmetric superconductor such as CePt3Si. The nuclear spin-lattice relaxation rate 1/T1 under the influence of the vortex core states is calculated for an s+p-wave Cooper pairing state. The result is compared with that for an s-wave pairing state.
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