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Magnonic spin Joule...
Magnonic spin Joule heating and rectification effects
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- Amundsen, Morten (författare)
- Stockholms universitet,Nordiska institutet för teoretisk fysik (Nordita),Nordita SU
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- V. Bobkova, Irina (författare)
- Inst Solid State Phys, Chernogolovka, Moscow 142432, Russia.;Moscow Inst Phys & Technol, Dolgoprudny, Moscow 141700, Russia.;Natl Res Univ Higher, Sch Econ, Moscow 101000, Russia.
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- Kamra, Akashdeep (författare)
- Univ Autonoma Madrid, Dept Fis Teor Mat Condensada, Madrid 28049, Spain.;Condensed Matter Phys Ctr IFIMAC, Madrid 28049, Spain.
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(creator_code:org_t)
- American Physical Society (APS), 2022
- 2022
- Engelska.
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Ingår i: Physical Review B. - : American Physical Society (APS). - 2469-9950 .- 2469-9969. ; 106:14
- Relaterad länk:
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https://doi.org/10.1...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- Nonlinear devices, such as transistors, enable contemporary computing technologies. We theoretically investigate nonlinear effects, bearing a high fundamental scientific and technical relevance, in magnonics with emphasis on superconductor-ferromagnet hybrids. Accounting for a finite magnon chemical potential, we theoretically demonstrate magnonic spin Joule heating, the spin analog of conventional electronic Joule heating. Besides suggesting a key contribution to magnonic heat transport in a broad range of devices, it provides insights into the thermal physics of nonconserved bosonic excitations. Considering a spin-split superconductor self-consistently, we demonstrate its interface with a ferromagnetic insulator to harbor large tunability of spin and thermal conductances. We further demonstrate hysteretic rectification I-V characteristics in this hybrid, where the hysteresis results from the superconducting state bistability.
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
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