期刊
PHYSICAL REVIEW B
卷 92, 期 18, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.92.184410
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资金
- Japan Society for the Promotion of Science [25400344]
- Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan [26103006]
- Grants-in-Aid for Scientific Research [26103006] Funding Source: KAKEN
The nonadiabatic contribution of environmental degrees of freedom yields an effective inertia of spin in the effective spin dynamics. In this paper, we study several aspects of the inertia of spin in metallic ferromagnets: (i) a concrete expression of the spin inertia m(s) : ms = hS(c)/(2g(sd)), where S-c is the spin polarization of conduction electrons and g(sd) is the sd coupling constant; (ii) a dynamical behavior of spin with inertia, discussed from the viewpoints of a spinning top and of a particle on a sphere; (iii) the behavior of spin waves and domain walls in the presence of inertia and the behavior of spin with inertia under a time-dependent magnetic field.
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