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Master equation approach to magnon relaxation and dephasing

Autor: Yuan, H. Y., Sterk, W. P., Kamra, Akashdeep, Duine, Rembert A.

Publikováno v: Physical Review B 106, 224422 (2022)

There has been a recent upsurge of interest in the quantum properties of magnons for quantum information processing. An important issue is to examine the stability of quantum states of magnons against various relaxation and dephasing channels. Since

Externí odkaz: http://arxiv.org/abs/2209.02961

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Pure dephasing of magnonic quantum states

Autor: Yuan, H. Y., Sterk, W. P., Kamra, Akashdeep, Duine, Rembert A.

Publikováno v: Physical Review B 106, L100403 (2022)

For a wide range of nonclassical magnonic states that have been proposed and demonstrated recently, a new time scale besides the magnon lifetime - the magnon dephasing time - becomes important, but this time scale is rarely studied. Considering excha

Externí odkaz: http://arxiv.org/abs/2201.06637

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Green's function formalism for nonlocal elliptical magnon transport

Autor: Sterk, W. P., Rückriegel, Andreas, Yuan, H. Y., Rameshti, Babak Zare, Duine, R. A.

We develop a non-equilibrium Green's function formalism to study magnonic spin transport through a strongly anisotropic ferromagnetic insulator contacted by metallic leads. We model the ferromagnetic insulator as a finite-sized one-dimensional spin c

Externí odkaz: http://arxiv.org/abs/2107.11072

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Magnon contribution to unidirectional spin Hall magnetoresistance

Autor: Sterk, W. P., Peerlings, D., Duine, R. A.

Publikováno v: Phys. Rev. B 99, 064438 (2019)

We develop a model for the magnonic contribution to the unidirectional spin Hall magnetoresistance (USMR) of heavy metal/ferromagnetic insulator bilayer films. We show that diffusive transport of Holstein-Primakoff magnons leads to an accumulation of

Externí odkaz: http://arxiv.org/abs/1810.02610

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