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Ponderomotive force due to the intrinsic spin for electrostatic waves in a magnetized plasma
Umeå University, Faculty of Science and Technology, Department of Physics.ORCID iD: 0000-0002-1555-7616
Umeå University, Faculty of Science and Technology, Department of Physics.ORCID iD: 0000-0003-2716-098x
2023 (English)In: Physics of Plasmas, ISSN 1070-664X, E-ISSN 1089-7674, Vol. 30, no 6, article id 062109Article in journal (Refereed) Published
Abstract [en]

We study the contribution from the electron spin to the ponderomotive force, using a quantum kinetic model, including the spin-orbit correction. Specifically, we derive an analytical expression for the ponderomotive force, applicable for electrostatic waves propagating parallel to an external magnetic field. To evaluate the expression, we focus on the case of Langmuir waves and on the case of the spin resonance wave mode, where the classical and spin contributions to the ponderomotive force are compared. Somewhat surprisingly, depending on the parameter regime, we find that the spin contribution to the ponderomotive force may dominate for the Langmuir wave, whereas the classical contribution can dominate for the spin resonance mode.

Place, publisher, year, edition, pages
American Institute of Physics (AIP), 2023. Vol. 30, no 6, article id 062109
National Category
Fusion, Plasma and Space Physics
Identifiers
URN: urn:nbn:se:umu:diva-211798DOI: 10.1063/5.0147440ISI: 001010958100001Scopus ID: 2-s2.0-85162957066OAI: oai:DiVA.org:umu-211798DiVA, id: diva2:1781932
Available from: 2023-07-11 Created: 2023-07-11 Last updated: 2023-07-11Bibliographically approved

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Al-Naseri, HaidarBrodin, Gert

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