Spin torque and Nernst effects in Dzyaloshinskii-Moriya ferromagnets
                    Journal Article
                    ·
                    
                    · Physical Review B
                    
                
            - Univ. of Nebraska, Lincoln, NE (United States); University of Nebraska-Lincoln
- Univ. of Nebraska, Lincoln, NE (United States)
Here, we predict that a temperature gradient can induce a magnon-mediated intrinsic torque in systems with a nontrivial magnon Berry curvature. With the help of a microscopic linear response theory of nonequilibrium magnon-mediated torques and spin currents we identify the interband and intraband components that manifest in ferromagnets with Dzyaloshinskii-Moriya interactions and magnetic textures. To illustrate and assess the importance of such effects, we apply the linear response theory to the magnon-mediated spin Nernst and torque responses in a kagome lattice ferromagnet.
- Research Organization:
- Univ. of Nebraska-Lincoln, Lincoln, NE (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
- Grant/Contract Number:
- SC0014189
- OSTI ID:
- 1253327
- Journal Information:
- Physical Review B, Journal Name: Physical Review B Journal Issue: 16 Vol. 93; ISSN 2469-9950; ISSN PRBMDO
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
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