2017/10/22 by L. Szolnoki, Lénárd Szolnoki, B. Dora +7
Chemistry · Materials Science · Physics and Astronomy · Psychology · #Advanced NMR Techniques and Applications #Computer science #Magnetism in coordination complexes #Physics #Psychology #Quantum and electron transport phenomena #Relaxation (psychology) #Social psychology #Spin (aerodynamics) #Statistical physics #Theoretical physics #Thermodynamics #Unified field theory #cond-mat.mes-hall #cond-mat.str-el
paper · pdf · doi:10.1103/physrevb.96.245123
published as Phys. Rev. B 96, 245123 (2017) · 6 pages, 3 figures+Appendix (4 pages, 2 figures)
arxiv created 2017/10/22 · openalex publication_date 2017/12/18 · arxiv updated 2017/12/27 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
There are two main mechanisms of spin relaxation in conductors. The Elliott-Yafet (EY) mechanism describes spin-flip scattering, while the D'yakonov-Perel' (DP) mechanism relies on spin precession and motional narrowing. While both need spin-orbit coupling, historically the two mechanisms have been treated differently. It is now demonstrated, using an intuitive generic model, that the two mechanisms can be cast in the same language based on motional narrowing in the presence of an effective, spin-orbit related magnetic field. This shows an intimate relationship between spin flip and spin precession and enables use of the same, readily programmable formalism for both regimes. The technique is demonstrated for MgB2, which shows an anomalous spin-relaxation behavior that cannot be explained by conventional models.