期刊
PHYSICAL REVIEW B
卷 83, 期 18, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.83.184406
关键词
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资金
- MEST [R01-2008-000-20586-0]
- Asia Pacific Center for Theoretical Physics
- National Research Foundation of Korea [R01-2008-000-20586-0, 2008-0060827, APCTP] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
We calculate the energies of various multiple-spiral spin configurations for the three-dimensional model of chiral magnets. The ground-state phase diagram is obtained in the space of anisotropy, magnetic field, and interaction parameters. Regimes with multiple-spiral, or spin crystal ground states of two-and three-dimensional nature are identified. The Skyrmion number responsible for anomalous Hall effect is examined for each spin crystal configuration. A geometric interpretation is given for the three-dimensional spin crystal lattice structures as the periodic arrangement of hedgehog and antihedgehog singularities.
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