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Roldán-Molina A, Nunez AS, Duine RA. Magnonic Black Holes. Phys Rev Lett. 2017;118(6):061301doi: 10.1103/PhysRevLett.118.061301.
Roldán-Molina, A., Nunez, A. S., & Duine, R. A. (2017). Magnonic Black Holes. Physical review letters, 118(6), 061301. https://doi.org/10.1103/PhysRevLett.118.061301
Roldán-Molina, A, et al. "Magnonic Black Holes." Physical review letters vol. 118,6 (2017): 061301. doi: https://doi.org/10.1103/PhysRevLett.118.061301
Roldán-Molina A, Nunez AS, Duine RA. Magnonic Black Holes. Phys Rev Lett. 2017 Feb 10;118(6):061301. doi: 10.1103/PhysRevLett.118.061301. Epub 2017 Feb 08. PMID: 28234522.
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Phys Rev Lett. 2017 Feb 10;118(6):061301. doi: 10.1103/PhysRevLett.118.061301. Epub 2017 Feb 08.

Magnonic Black Holes.

Physical review letters

A Roldán-Molina, Alvaro S Nunez, R A Duine

Affiliations

  1. Centro para el Desarrollo de la Nanociencia y la Nanotecnología, CEDENNA, Avenida Ecuador 3493, Santiago 9170124, Chile.
  2. Departamento de Física, Facultad de Ciencias Físicas y Matemáticas, Universidad de Chile, Casilla 487-3, Santiago, Chile.
  3. Institute for Theoretical Physics, Utrecht University, Leuvenlaan 4, 3584 CE Utrecht, Netherlands.
  4. Department of Applied Physics, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, Netherlands.

PMID: 28234522 DOI: 10.1103/PhysRevLett.118.061301

Abstract

We show that the interaction between the spin-polarized current and the magnetization dynamics can be used to implement black-hole and white-hole horizons for magnons-the quanta of oscillations in the magnetization direction in magnets. We consider three different systems: easy-plane ferromagnetic metals, isotropic antiferromagnetic metals, and easy-plane magnetic insulators. Based on available experimental data, we estimate that the Hawking temperature can be as large as 1 K. We comment on the implications of magnonic horizons for spin-wave scattering and transport experiments, and for magnon entanglement.

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