Talks
2022:
ISEE workshop on nonlinear wave and particle acceleration in astrophysical and laboratory plasmas
Excitation of drift breathers in magnetized plasmas, Yusuke Kosuga, S. Inagaki, and Y. Kawachi
Annual Meeting, Japan Society for Physics
Scrape off layer width set by turbulent fluctuation, Yusuke Kosuga, Y. Nagashima, and S. Arai
Kavli Institute for Theoretical Physics, program on Layering in Atmospheres, Oceans and Plasmas (online)
How heat flux avalanche jam triggers layering in magnetized plasmas, Yusuke Kosuga, D. Koga, and M. Sasaki
2021:
30th International Toki Conference (online)
Formation and dynamics of phase space structures in drift wave turbulence, Y. Kosuga
Fall meeting, Japan Society for Physics (online)
Excitation of drift breathers in magnetized plasmas, Yusuke Kosuga, S. Inagaki, and Y. Kawachi
Asia Pacific Transport Working Group Meeting and Transport Task Force Workshop (online)
Dynamic interaction between two different types of fluctuations synchronizing with zonal potential fluctuation in PANTA, Y. Kawachi, S. Inagaki, M. Sasaki, Y. Kosuga, et al.
Annual Meeting, Japan Society for Physics
Numerical investigation on how heat flux avalanche jam triggers staircase formation in plasmas, Yusuke Kosuga, D. Koga, and M. Sasaki
Kavli Institute for Theoretical Physics, program on Layering in Atmospheres, Oceans and Plasmas (online)
How heat flux avalanche jam triggers layering in magnetized plasmas, Yusuke Kosuga, D. Koga, and M. Sasaki
2020:
Annual meeting of Japan Society for Plasma Science and Nuclear Fusion (online)
Minimum enstrophy flows in plasmas with neutral particles, Yusuke Kosuga and Daisuke Aoki
29th International Toki Conference (online)
Numerical Analysis on Nonlinear Heat Flux Avalanche Jam, D. Koga, Yusuke Kosuga and M. Sasaki
Fall meeting, Japan Society for Physics (online)
Formation of flows in turbulent plasmas with neutral particles
2019:
BPSI, Kyushu University
Interplay among 3d flows in turbulent plasmas Yusuke Kosuga
Neutral effects on the structure of minimum enstrophy flows in plasmas Daisuke Aoki
3rd Asia-Pacific Conference on Plasma Physics (AAPPS-DPP2019) (Crowne Plaza Hefei, Hefei, China, 2019.11.4-11.8)
Interplay among 3D flows in turbulent plasmas Yusuke Kosuga
Flows, Waves and Turbulence in Laboratory Plasma Shigeru Inagaki
The 17th International Workshop on Plasma Edge Theory in Fusion Devices (UC San Diego, USA, 2019.8.19-8.21)
Selectively exciting nonlinear streamer flows in drift wave turbulence Y. Kosuga, F. Kin, M. Sasaki
Festival de Théorie, 10th edition "Phase Dynamics" (Aix-en-Provence, France, 2019.7.1-26)
Flow helicity: could it be useful for fusion? Y.Kosuga
14th Japan-Korea Workshop on "Modeling and Simulation of Magnetic Fusion Plasmas" (Kyushu University, Japan, 2019.6.27-6.28)
Exploiting fluctuation helicity for profile control Y. Kosuga
The APTWG Mini-workshop (Wuhan, China, 2019.6.19-6.21)
Scrape off layer width set by nonlinear streamer flows Y. Kosuga
Max Planck Princeton Center Workshop 2019 (University of Tokyo, Japan, 2.18-2.21)
How selectively excite nonlinear streamer flows in drift wave turbulence? Y.Kosuga
2018:
2nd Asia-Pacific Conference on Plasma Physics (AAPPS-DPP2018) (Kanazawa, Japan, 11.12-11.17)
Yusuke Kosuga 'How secondary flow is selected in drift wave turbulence: Role of parallel flow shear'
Makoto Sasaki 'Selection of flow chirality in drift-mode and D’Angelo-mode fluctuations (oral)'
1st Chengdu Theory Festival 8/20-31, Chengdu, China
Y. Kosuga 'Modulational approach for the nonlinear dynamics of Langmuir wave'
Y. Kosuga 'Modulational analysis for the flow generation by drift wave'
8th Asia-Pacific Transport Working Group 6/12-15, Chengdu, China
M. Sasaki, et al., 'Parallel flow driven instability due to toroidal return flow in H-mode plasmas'
K. Hasamada, et al., 'Dependence of turbulence driven convective loss on input power on PANTA'
Y. Kawachi, et al., 'Observation of quasi-periodic coherent mode with intermittent fluctuation in cylindrical magnetized plasma'
19th International Congress on Plasma Physics, Vancouver, Canada, 2018/6/4-8
Y. Kosuga and K. Hasamada 'Revisiting the excitation of radially elongated convective cells in drift wave turbulence'
2017:
26th International Toki Conference, 12/6-9/2017, Toki, Japan
K. Hasamada, et al., 'Observation of monotonical spectrum in power scan experiment on PANTA'
Y. Kawachi, et al., 'Detection of phase of fluctuating wave excited in linear magnetized plasma'
BPSI、11/29 Kyushu Univ.
Y. Kosuga 'Pattern selection in drift wave turbulence with parallel flow shear'
Plasma Conference 2017, Himeji 11/20-23
Y. Kosuga, 'Development of plasma turbulence theory: Role of parallel shear flow in secondary pattern selection problem in drift wave turbulence'
9th Festival de Theorie, Aix en Provence, France, July
Y. Kosuga, 'How parallel shear flow impacts pattern selection in drift wave turbulence'
M. Sasaki, et al., 'Topological bifurcation of turbulence driven flows in magnetized plasmas'
7th Asia-Pacific Transport Working Group, 6/5-7, Nagoya, Japan
Y. Kosuga et al., 'How turbulence fronts induce plasma spin-up'
M. Sasaki, et al., 'Enhancement and Suppression of Turbulence by Energetic Particle driven Geodesic Acoustic Modes'