Zobrazeno 1 - 10
of 712
pro vyhledávání: '"Takabe H."'
Autor:
Sakai, K., Huang, T. Y., Khasanah, N., Bolouki, N., Chu, H. H., Moritaka, T., Sakawa, Y., Sano, T., Tomita, K., Matsukiyo, S., Morita, T., Takabe, H., Yamazaki, R., Yasuhara, R., Habara, H., Kuramitsu, Y.
Publikováno v:
High Energy Density Phys. 52, 101132 (2024)
We investigate the competition of magnetic reconnections in self-generated and external magnetic fields in laser-produced plasmas. The temporal evolution of plasma structures measured with self-emission imaging shows the vertical expansions and horiz
Externí odkaz:
http://arxiv.org/abs/2407.07075
Autor:
Morita T., Sakawa Y., Kuramitsu Y., Ide T., Nishio K., Kuwada M., Ide H., Tsubouchi K., Yoneda H., Nishida A., Namiki T., Norimatsu T., Tomita K., Nakayama K., Inoue K., Uchino K., Nakatsutsumi M., Pelka A., Koenig M., Dong Q., Yuan D., Gregori G., Takabe H.
Publikováno v:
EPJ Web of Conferences, Vol 59, p 15004 (2013)
Collisionless shocks are produced in counter-streaming plasmas with an external magnetic field. The shocks are generated due to an electrostatic field generated in counter-streaming laser-irradiated plasmas, as reported previously in a series of expe
Externí odkaz:
https://doaj.org/article/48d6c52f1560491a84988b975f62e9b9
Autor:
Sakawa Y., Kuramitsu Y., Morita T., Kato T., Tanji H., Ide T., Nishio K., Kuwada M., Tsubouchi T., Ide H., Norimatsu T., Gregory C., Woolsey N., Schaar K., Murphy C., Gregori G., Diziere A., Pelka A., Koenig M., Wang S., Dong Q., Li Y., Park H.-S., Ross S., Kugland N., Ryutov D., Remington B., Spitkovsky A., Froula D., Takabe H.
Publikováno v:
EPJ Web of Conferences, Vol 59, p 15001 (2013)
A collisionless Weibel-instability mediated shock in a self-generated magnetic field is studied using two-dimensional particle-in-cell simulation [Kato and Takabe, Astophys. J. Lett. 681, L93 (2008)]. It is predicted that the generation of the Weibel
Externí odkaz:
https://doaj.org/article/0f6d431bf55d4645952a08f839d170e4
Autor:
Nishio K., Sakawa Y., Kuramitsu Y., Morita T., Ide T., Kuwada M., Koga M., Kato T., Norimatsu T., Gregory C., Woolsey N., Murphy C., Gregori G., Schaar K., Diziere A., Koenig M., Pelka A., Wang S., Dong Q., Li Y., Takabe H.
Publikováno v:
EPJ Web of Conferences, Vol 59, p 15005 (2013)
The experiments to simulate astrophysical jet generation are performed using Gekko XII (GXII) HIPER laser system at the Institute of Laser Engineering. In the experiments a fast plasma flow generated by shooting a CH plane (10 μm thickness) is obser
Externí odkaz:
https://doaj.org/article/246f3cc5e76e4c6a896ccca395955798
Autor:
Ide T., Sakawa Y., Kuramitsu Y., Morita T., Tanji H., Nishio K., Kuwada M., Ide H., Tsubouchi K., Shimazaki S., Taguchi T., Gregory C., Diziere A., Nakatsutsumi M., Koenig M., Ohnishi N., Takabe H.
Publikováno v:
EPJ Web of Conferences, Vol 59, p 15002 (2013)
Process of counterstreaming plasma generation for laser irradiation of the innner-surface of the first plane of a double-plane target is investigated. The image taken by streaked self-emission optical pyrometer and radiation hydrodynamic simulation s
Externí odkaz:
https://doaj.org/article/dc529696fcac4f59ba54c1bd2fdbc7a7
The laser field depletion in laser-electron beam collision is generally small. However, a properly chosen parameter of the laser and electron, the laser field depletion can be optimized. To access the laser energy evolution, simulations of laser-elec
Externí odkaz:
http://arxiv.org/abs/1808.01449
Publikováno v:
Phys. Rev. D 98, 036022 (2018)
The non-linear (strong-field) Breit-Wheeler $e^+e^-$ pair production by a probe photon traversing two consecutive short and ultra short (sub-cycle) laser pulses is considered within a QED framework. The temporal shape of the pulses and the distance b
Externí odkaz:
http://arxiv.org/abs/1807.04547
The effects of radiation reaction (RR) have been studied extensively by using the ultraintense laser interacts with the counter-propagating relativistic electron. At the laser intensity at the order of $10^{23}$ W/cm$^2$, the effects of RR are signif
Externí odkaz:
http://arxiv.org/abs/1712.01383
Akademický článek
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Observation of magnetic field generation via the Weibel instability in interpenetrating plasma flows
Autor:
Huntington, C. M., Fiuza, F., Ross, J. S., Zylstra, A. B., Drake, R. P., Froula, D. H., Gregori, G., Kugland, N. L., Kuranz, C. C., Levy, M. C., Li, C. K., Meinecke, J., Morita, T., Petrasso, R., Plechaty, C., Remington, B. A., Ryutov, D. D., Sakawa, Y., Spitkovsky, A., Takabe, H., Park, H. -S.
Publikováno v:
Nat Phys. 11(2), 173-176, 2015
Collisionless shocks can be produced as a result of strong magnetic fields in a plasma flow, and therefore are common in many astrophysical systems. The Weibel instability is one candidate mechanism for the generation of sufficiently strong fields to
Externí odkaz:
http://arxiv.org/abs/1310.3337