Thermomagnonic diode: Rectification of energy and magnetization currents
2014 (English)In: Physical Review B. Condensed Matter and Materials Physics, ISSN 1098-0121, E-ISSN 1550-235X, Vol. 89, no 5, 054428- p.Article in journal (Refereed) Published
We investigate the dynamics of two coupled macrospins connected to thermal baths at different temperatures. The system behaves like a diode which allows the propagation of energy and magnetization currents in one direction only. This effect is described by a simple model of two coupled nonlinear oscillators interacting with two independent reservoirs. It is shown that the rectification phenomenon can be interpreted as a a stochastic phase synchronization of the two spin oscillators. A brief comparison with realistic micromagnetic simulations is presented. This new effect yields promising opportunities in spin caloritronics and nanophononic devices.
Place, publisher, year, edition, pages
2014. Vol. 89, no 5, 054428- p.
IdentifiersURN: urn:nbn:se:uu:diva-222161DOI: 10.1103/PhysRevB.89.054428ISI: 000332415200002OAI: oai:DiVA.org:uu-222161DiVA: diva2:711528