期刊
PHYSICAL REVIEW B
卷 101, 期 10, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.101.104402
关键词
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资金
- European Research Council [725509]
- JSPS KAKENHI [19H006450]
- Dutch Ministry of Education, Culture and Science (OCW)
- National Science Foundation [NSF PHY-1748958]
- European Research Council (ERC) [725509] Funding Source: European Research Council (ERC)
We develop a microscopic theory of spin-lattice interactions in magnetic insulators, separating rigid-body rotations and the internal angular momentum, or spin, of the phonons, while conserving the total angular momentum. In the low-energy limit, the microscopic couplings are mapped onto experimentally accessible magnetoelastic constants. We show that the transient phonon spin contribution of the excited system can dominate over the magnon spin, leading to nontrivial Einstein-de Haas physics.
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