Dr. George Mamatsashvili

Profil

Derzeitige StellungPost Doc
FachgebietPlasmaphysik,Astrophysik
KeywordsMagnetoropational instability (MRI), Turbulence, Magnetic dynamo, Astrophysical (protoplanetary) discs, The Earth's outer liquid core

Aktuelle Kontaktadresse

Gastgeber*innen während der Förderung

Dr. Frank StefaniInstitut für Fluiddynamik, Helmholtz-Zentrum Dresden-Rossendorf (HZDR), Dresden
Beginn der ersten Förderung01.12.2015

Programm(e)

2015Georg Forster-Forschungsstipendien-Programm für Postdocs

Publikationen (Auswahl)

2018D. Gogichaishvili, G. Mamatsashvili, W. Horton, G. Chagelishvili: Active modes and dynamical balances in MRI-turbulence of Keplerian disks with a net vertical magnetic field. In: the Astrophysical Journal, 2018, 134-156
2018G. Bodo, G. Mamatsashvili, P. Rossi, A. Mignone: Linear stability analysis of magnetized relativistic rotating jets. In: Monthly Notices of the Royal Astronomical Society, 2018, DOI: 10.1093/mnras/stz591
2018G. Mamatsashvili, F. Stefani, R. Hollerbach, G. Ruediger: New type of axisymmetric helical magnetorotational instability in rotating flows with positive shear. In: Physical Review Letters, 2018,
2018G. Mamatsashvili, F. Stefani, A. Guseva, M. Avila: Quasi-two-dimensional nonlinear evolution of helical magnetorotational instability in a magnetized Taylor–Couette flow. In: New Journal of Physics, 2018, 013012
2017F. Stefani, T. Albrecht, R. Arlt, M. Christen, A. Gailitis, M. Gellert, A. Giesecke, O. Goepfert, J. Herault, O. Kirillov, G. Mamatsashvili, J. Priede, G. M. Seilmayer, A. Tilgner, T. Vogt: Magnetic field dynamos and magnetically triggered flow instabilities. In: IOP Conference Series: Materials Science and Engineering, 2017, 012002
2017D. Gogichaishvili, G. Mamatsashvili, W. Horton, G. Chagelishvili, G. Bodo: Nonlinear transverse cascade and sustenance of MRI-turbulence in Keplerian disks with an azimuthal magnetic field. In: the Astrophysical Journal, 2017, 70-96
2017G. Mamatsashvili, F. Stefani: Nonmodal analysis of helical and azimuthal magnetorotational instabilities. In: Magnetohydrodynamics, 2017, 107-117
2016G. Mamatsashvili, G. Khujadze, G. Chagelishvili, S. Dong, J. Jiménez, H. Foysi : Dynamics of homogeneous shear turbulence: A key role of the nonlinear transverse cascade in the bypass concept. In: Physical Review E, 2016, 023111-1-023111-19
2016G. Bodo, G. Mamatsashvili, P. Rossi, A. Mignone: Linear stability analysis of magnetized jets: the rotating case . In: Monthly Notices of the Royal Astronomical Society, 2016, 3031-3052
2016G. Mamatsashvili, F. Stefani: Linking dissipation-induced instabilities with nonmodal growth: The case of helical magnetorotational instability. In: Physical Review E , 2016, 051203-1