Relativistic Guiding-Center Motion: Action Principle, Kinetic Theory and Hydrodynamics.
| Autor: | Son DT; Kadanoff Center for Theoretical Physics, University of Chicago, Chicago, Illinois 60637, USA., Stephanov M; Kadanoff Center for Theoretical Physics, University of Chicago, Chicago, Illinois 60637, USA.; Department of Physics, University of Illinois, Chicago, Illinois 60607, USA. |
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| Jazyk: | angličtina |
| Zdroj: | Physical review letters [Phys Rev Lett] 2024 Oct 04; Vol. 133 (14), pp. 145201. |
| DOI: | 10.1103/PhysRevLett.133.145201 |
| Abstrakt: | We treat the guiding-center dynamics in a varying external Maxwell field using a relativistically covariant action principle which reproduces the known Vandervoort expression for the drift velocity and extends it to curved spacetime. We derive the corresponding kinetic theory and ideal hydrodynamic theory. In contrast to conventional five-equation hydrodynamics, the guiding-center hydrodynamics needs only three equations due to a constraint on the motion across magnetic field. We argue that such a hydrodynamics is applicable to strongly coupled plasmas where kinetic theory fails. |
| Databáze: | MEDLINE |
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