Zobrazeno 1 - 10
of 31
pro vyhledávání: '"Shaaban Mohammed Shaaban Shaaban"'
Autor:
Rodrigo A. López, Stefaan Poedts, Marian Lazar, Peter H. Yoon, Shaaban Mohammed Shaaban Shaaban
Publikováno v:
Physics; Volume 3; Issue 4; Pages: 1175-1189
Physics, Vol 3, Iss 75, Pp 1175-1189 (2021)
Physics, Vol 3, Iss 75, Pp 1175-1189 (2021)
The ability of space plasmas to self-regulate through mechanisms involving self-generated fluctuations is a topic of high interest . This paper presents the results of a new advanced quasilinear (QL) approach for the instability of electromagnetic io
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::74b0f6ec6ea271aa1ace828f7eff8a58
In the solar wind plasma an excess of kinetic temperature along the background magnetic field stimulates proton firehose modes to grow if the parallel plasma beta parameter is sufficiently high, i.e., $\beta_{p \parallel}\gtrsim 1$. This instability
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f77a2e13cb0b8b958d21a808f0170cb1
https://lirias.kuleuven.be/handle/123456789/685006
https://lirias.kuleuven.be/handle/123456789/685006
Space plasmas are known to be out of (local) thermodynamic equilibrium, as observations show direct or indirect evidences of non-thermal velocity distributions of plasma particles. Prominent are the anisotropies relative to the magnetic field, anisot
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c2e28615ee43cbb84df929aab0df8e72
http://arxiv.org/abs/2102.12513
http://arxiv.org/abs/2102.12513
Autor:
Marian Lazar, Rodrigo A. López, Shaaban Mohammed Shaaban Shaaban, Stefaan Poedts, Pablo S. Moya
Depending on the physical conditions involved the beam plasma systems may reveal new unstable regimes triggered by the wave instabilities of different nature. We show through linear theory and numerical simulations the existence of an aperiodic elect
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d9d123a025d4bb14480e824af3320a8a
https://lirias.kuleuven.be/handle/123456789/653530
https://lirias.kuleuven.be/handle/123456789/653530
Relative drifts between different species or particle populations are characteristic to solar plasma outflows, e.g., in the fast streams of the solar winds, coronal mass ejections and interplanetary shocks. This paper characterizes the dispersion and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b7d4faf3a3c3008078f0f77895fea7cf
In collision-poor plasmas from space, three distinct ion-ion instabilities can be driven by the proton beams streaming along the background magnetic field: left-hand resonant, non-resonant, and right-hand resonant instabilities. These instabilities a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a32a69ae839430f2840f6ab7406bd1ca
Recent statistical studies of observational data unveil relevant correlations between whistler fluctuations and the anisotropic electron populations present in space plasmas, e.g., solar wind and planetary magnetospheres. Locally, whistlers can be ex
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e66b4c2360848fd4fdc57f0811c2e2b3
http://arxiv.org/abs/1912.09283
http://arxiv.org/abs/1912.09283
Autor:
Marian Lazar, Stefaan Poedts, Rodrigo A. López, Shaaban Mohammed Shaaban Shaaban, Horst Fichtner
Publikováno v:
Astrophysics and Space Science. 364
In the absence of efficient collisions, deviations from thermal equilibrium of plasma particle distributions are controlled by the self-generated instabilities. The whistler instability is a notorious example, usually responsible for the regulation o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::20ee4e586541bc9d42821d7661ae6ca4
https://doi.org/10.1007/s10509-019-3661-6
https://doi.org/10.1007/s10509-019-3661-6
Autor:
Stefaan Poedts, Peter H. Yoon, Shaaban Mohammed Shaaban Shaaban, Giovanni Lapenta, Rodrigo A. López, Alfredo Micera, Marian Lazar
In collision-poor plasmas from space, e.g., solar wind or stellar outflows, the heat-flux carried by the strahl or beaming electrons is expected to be regulated by the self-generated instabilities. Recently, simultaneous field and particle observatio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::452d0bf644ef47ff20cac98a68d56152
https://lirias.kuleuven.be/handle/123456789/641992
https://lirias.kuleuven.be/handle/123456789/641992
Autor:
Rodrigo A. López, Shaaban Mohammed Shaaban Shaaban, Giovanni Lapenta, Alfredo Micera, Andrei Zhukov, Elisabetta Boella, Marian Lazar
In situ observations of the solar wind show a limited level of particle temperature anisotropy with respect to the interplanetary magnetic field direction. Kinetic electromagnetic instabilities are efficient to prevent the excessive growth of the ani
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e64e53555f2bfc280888b57acdfc040c
http://arxiv.org/abs/1907.08502
http://arxiv.org/abs/1907.08502