Zobrazeno 1 - 10
of 352
pro vyhledávání: '"Bierwage A"'
Autor:
Bierwage, Andreas, Lauber, Philipp, Nakajima, Noriyoshi, Shinohara, Kouji, Brochard, Guillaume, Ghim, Young-chul, Lee, Wonjun, Matsuyama, Akinobu, Sumida, Shuhei, Yang, Hao, Yagi, Masatoshi
The contribution of a time-independent toroidally-symmetric radial electric field $E_r$ is implemented in VisualStart [Comp. Phys. Comm. 275 (2022) 108305; arXiv:2111.08224], a code whose purposes include the construction of guiding center (GC) drift
Externí odkaz:
http://arxiv.org/abs/2411.19288
Autor:
Andreas Bierwage, Timur Zh. Esirkepov, James K. Koga, Alexander S. Pirozhkov, Nobuyuki Aiba, Kai Huang, Masaki Kando, Hiromitsu Kiriyama, Akinobu Matsuyama, Kouji Shinohara, Masatoshi Yagi, Gunsu S. Yun
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-13 (2024)
Abstract A laser pulse focused to relativistic intensity inside a magnetically confined fusion (MCF) plasma plows away all electrons in its path. The ensuing Coulomb explosion of the ions leaves behind a cavity of microscopic size, with gradients in
Externí odkaz:
https://doaj.org/article/5462c42dcfd54b7d93ee8cab37fc1128
Autor:
Bierwage, Andreas1,2 (AUTHOR) bierwage.andreas@qst.go.jp, Esirkepov, Timur Zh.3 (AUTHOR), Koga, James K.3 (AUTHOR), Pirozhkov, Alexander S.3 (AUTHOR), Aiba, Nobuyuki1,2 (AUTHOR), Huang, Kai3 (AUTHOR), Kando, Masaki3 (AUTHOR), Kiriyama, Hiromitsu3 (AUTHOR), Matsuyama, Akinobu1,4 (AUTHOR), Shinohara, Kouji2,5 (AUTHOR), Yagi, Masatoshi1 (AUTHOR), Yun, Gunsu S.6,7 (AUTHOR)
Publikováno v:
Scientific Reports. 11/14/2024, Vol. 12 Issue 1, p1-13. 13p.
Autor:
Bierwage, Andreas, Shinohara, Kouji
Publikováno v:
Phys. Plasmas 29, 113906 (2022)
For an axisymmetric tokamak plasma, Hamiltonian theory predicts that the orbits of charged particles must stay on invariant tori of conserved energy in the moving frame of reference of a wave that propagates along the torus with a fixed angular phase
Externí odkaz:
http://arxiv.org/abs/2206.13846
Publikováno v:
Phys. Plasmas 29, 113905 (2022)
The guiding center (GC) Lagrangian in Boozer coordinates for toroidally confined plasmas can be cast into canonical form by eliminating a term containing the covariant component $B_{\Psi_{\rm P}}$ of the magnetic field vector with respect to the polo
Externí odkaz:
http://arxiv.org/abs/2205.11280
Autor:
Bierwage, Andreas, Fitzgerald, Michael, Lauber, Philipp, Salewski, Mirko, Kazakov, Yevgen, Štancar, Žiga
Publikováno v:
Computer Physics Communications 275 (2022) 108305
Experimental diagnostics, analysis tools and simulations represent particle distributions in various forms and coordinates. Algorithms to manage these data are needed on platforms like the ITER Integrated Modelling & Analysis Suite (IMAS), performing
Externí odkaz:
http://arxiv.org/abs/2111.08224
Autor:
Bierwage, Andreas, Shinohara, Kouji, Kazakov, Yevgen, Kiptily, Vasili, Lauber, Philipp, Nocente, Massimo, Štancar, Žiga, Sumida, Shuhei, Yagi, Masatoshi, Garcia, Jeronimo, Ide, Shunsuke, Contributors, JET
Publikováno v:
Nature Communications 13 (2022) 3941
Long-pulse operation of a self-sustained fusion reactor using toroidal magnetic containment requires control over the content of alpha particles produced by D-T fusion reactions. On the one hand, MeV-class alpha particles must stay confined to heat t
Externí odkaz:
http://arxiv.org/abs/2109.03427
Publikováno v:
Plasma and Fusion Research, Volume 16, 1403087 (2021), p.1-61
Spectral analyses of energetic particle (EP) driven bursts of MHD fluctuations in magnetically confined plasmas often exhibit multiple simultaneous chirps. While the superposition of oscillations at multiple frequencies necessarily causes beating in
Externí odkaz:
http://arxiv.org/abs/2103.12561
Autor:
S. Lorenz, G. M. Grittani, K. Kondo, A. Kon, Y.-K. Liu, A. Sagisaka, K. Ogura, N. Nakanii, K. Huang, A. Bierwage, S. Namba, H. Ohiro, T. A. Pikuz, J. K. Koga, P. Chen, H. Kiriyama, M. Kando, T. Zh. Esirkepov, S. V. Bulanov, A. S. Pirozhkov
Publikováno v:
High Power Laser Science and Engineering, Vol 12 (2024)
Ultrafast optical probing is a widely used method of underdense plasma diagnostic. In relativistic plasma, the motion blur limits spatial resolution in the direction of motion. For many high-power lasers the initial pulse duration of 30–50 fs resul
Externí odkaz:
https://doaj.org/article/67676593d3b34026a9525338c6ee07a6
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