Seminars(2002)




Date Author + Title Description
2002/01/
M. Seki, nonlinear time series analysis: Review of some book
.
Dynamical systems, phase space methods.(strange attractor etc.)
2002/01/
A. C.-L. Chian, Alfven boundary crisis
.
A new transition mechanism to Alfven chaos via boudary crisis is reported. This crisis appears in a complex plasma region in the presence of a large number of coexisting attractors. (ApJ 1998)
2002/01/21
K. Tanaka(Kyusyu univ.), Master thisis report
.
An explicit evidence of the electro-mechanical exchange process in the magnetoshere-magnetosheath transition region
2002/02/04
F. Otsuka, Magnetic field transport in three dimensional turbulence
.
review of Phys.Rev.E 1998 P.Pommois et.al., charged particle transport with r/L<<1 (percolation analysis)
2002/02/05
S. Matsukiyo, Doctor thisis public hearing
.
Wave-particle and wave-wave interactions in a high energy astropysical plasma
2002/02/05
Y. Kuramitsu, Doctor thisis public hearing
.
Acceleration and Thermalization of Charged Particles by Large Amplitude MHD Waves in Space Plasma
2002/02/
T. Shiraishi, plasma maser with cycltron resonance
.
Generation of Langumuir Waves from Alfven Waves by the Plasma Maser in pair Plasmas,(J.Phys. Soc.J, eda et. al.1997).
2002/03/
K. Kawamura, hydrodynamics-stars: formation

Review of Frank H. Shu(1977, ApJ), Self similar collapse of isothermal sheres and star formation.
2002/04/22
05/07(cont)

S. Matsukiyo,
1-dimensional electromagnetic particle code
.
Technical introduction of particle code. Leap-flog method, Boris method, discrete Fourier transform accuracy of these methods.
2002/04/
K. Arimatsu, S. Yagi,
M1 presentation

.
Our new lab members introduced their undergraduate research projects: generation and propagation mechanisms of low-latitude Pi2 pulsations, Sulfur isotopic composition of sulfides in sediment in the bottom sea water of the Kagosima Bay, Kyusyu
2002/05/
all members
.
Practice session for SGEPSS Spring 2002.
2002/05/26-31
SGEPSS meeting 2002, Tokyo
.
Spring annual meeting of the Society of Geomagnetism and Earth, Planetary and Space Sciences.
2002/06/20
D. Koga,
Nonlinear time series analysis
.
Linear tools and general considerations, Delay reconstruction, Stationarity, Instability:Lyapunov exponent, Dimensions, Nonlinearity:Surrogate data methods
2002/06/27
M. Oonishi,
Cross-shock potential
.

The adiabatic energy change of plasma electrons and the frame dependence of the cross-shock potential at collisionless magnetosonic Shock waves.

2002/07/13
T. Hada, Interacting solitons in the DNLS system
.
KdV, DNLS eqs.->integrable system. turbulence in integrable system can be descibed as soliton series. Inverse scattering transform(IST).
2002/09/03-08
ICPP2002, Sydney
.
11th International Congress on Plasma Physics, Syddey,2002.
2002/07/22-25
WSEF, Adelaide
.
World Space Environment Forum-WSEF2002, Adelaide, Australia.
2002/07/29-/08/02
HPC2002, Adelaide
.
WISER Workshop on High Performance Computing in Space Environment Research-HPC2002, Adelaide, Australia.
2002/09/27
M. Seki, DNLS eq. including linear kenetic effect part 1
.
Review of S.Ghosh and K. Papadopulos (1987), The onset of Alfvenic turbulence.
2002/10/04
F. Otsuka, Anomalous diffusion in one-dimensional random walk
.
Review of Weeks and Swinney(1996), In their model, random walkders alternate between flights(steps of constant velocity) and sticking(puases between flights).
2002/10/11
K. Kawamura, Two-Stream and Gravitational Instabilities in a Grain Plasma part 1
.
Review of G. Gisler et.al. (1992), We review electrostatic two-stram instability.
2002/10/18
M. Seki,
DNLS eq. including linear kenetic effect part 2
.
Review of S.Ghosh and K. Papadopulos (1987), A driven/dissipative DNLS eq. is numerically integrated in the case where one k-mode is unstable, with the rest damped.
2002/10/24
K. Kawamura,
Two-Stream and Gravitational Instabilities in a Grain Plasma part 2
.
Review of G. Gisler et.al. (1992), when the grain charge-to-mass ratio is of the order of the square root of the gravitational constant, there is an overlap between the Buneman and Jeans gravitational instabilities.
2002/11/08
T. Hada, F. Otsuka,
SGEPSS practice
.
2002/11/11-14
SGEPSS meeting, Tokyo
.
Presentations by T. Hada, F. Otsuka.
2002/11/15
T. Shiraishi,
Parametric instabilities in an electron-positron plasmas part 1
.
Review of parameteric instability with three coulped pendulums
2002/11/21 Master's thesis presentation practice.
  • K. Kawamura, Jeans instability in dust plasma :effect of drift velocity,
  • T. Shiraishi, Non-linear time evolution of large amplitude Alfven waves
  • M. Seki, The process of phase coherence in MHD turbulence
2002/12/06-10
AGU meeting, San Francisco
.
Presentations by T. Hada
2002/12/16 T. Shiraishi,
Parametric instabilities in an electron-positron plasmas part 2.
Review of Melvyn L. Goldstein (1978), an instability of finite amplitude circularly polarized Alfven waves
2002/12/16
K. Arimatsu, Upstream wave associated with ion beams
.
Review of M.M. Hoppe et. al.(1982), Upstream wave with relatively high frequencies and small amplitude, ion beams reflected back upstream at the bow shock.
2002/12/16
S. Yagi,
Low frequency upstream waves
.
Review of M.M. Hoppe and C.T. Russell(1983), From the observed multi-frequency shoklets, observation of Alfven mode waves appears to require wave generation by the isotropic diffuse ion distributions.


Past space plasma seminars
-1999 ; -2000 ; -2001 ; -2002 ; -2003 ; -current



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