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@article{46081, author = {Cremaschini, Claudio and Stuchlík, Zdeněk and Tessarotto, Massimo}, article_location = {US - Spojené státy americké}, article_number = {5}, doi = {http://dx.doi.org/10.1063/1.4874324}, keywords = {astrophysical plasmas; kinetic equilibrium; compact objects; gravitational field}, language = {eng}, issn = {1070-664X}, journal = {PHYSICS OF PLASMAS}, title = {Covariant formulation of spatially non-symmetric kinetic equilibria in magnetized astrophysical plasmas}, url = {https://aip.scitation.org/doi/full/10.1063/1.4874324}, volume = {21}, year = {2014} }
TY - JOUR ID - 46081 AU - Cremaschini, Claudio - Stuchlík, Zdeněk - Tessarotto, Massimo PY - 2014 TI - Covariant formulation of spatially non-symmetric kinetic equilibria in magnetized astrophysical plasmas JF - PHYSICS OF PLASMAS VL - 21 IS - 5 SP - "052901-1"-"052901-15" EP - "052901-1"-"052901-15" SN - 1070664X KW - astrophysical plasmas KW - kinetic equilibrium KW - compact objects KW - gravitational field UR - https://aip.scitation.org/doi/full/10.1063/1.4874324 N2 - Astrophysical plasmas in the surrounding of compact objects and subject to intense gravitational and electromagnetic fields are believed to give rise to relativistic regimes. Theoretical and observational evidences suggest that magnetized plasmas of thistype are collisionless and can persist for long times (e.g., with respect to a distant observer, coordinate, time), while exhibiting geometrical structures characterized by the absence of well-defined spatial symmetries. In this paper, the problem is posed whether such configurations can correspond to some kind of kinetic equilibrium. The issue is addressed from a theoretical perspective in the framework of a covariant Vlasov statistical description, which relies on the method of invariants. For this purpose, a systematic covariant variational formulation of gyrokinetic theory is developed, which holds without requiring any symmetry condition on the background fields. As a result, an asymptotic representation of the relativistic partic ER -
CREMASCHINI, Claudio, Zdeněk STUCHLÍK and Massimo TESSAROTTO. Covariant formulation of spatially non-symmetric kinetic equilibria in magnetized astrophysical plasmas. \textit{PHYSICS OF PLASMAS}. US - Spojené státy americké, 2014, vol.~21, No~5, p.~''052901-1''-''052901-15'', 15 pp. ISSN~1070-664X. Available from: https://dx.doi.org/10.1063/1.4874324.
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