Speaker
Hideaki Iida
(Kyoto University)
Description
Possible thermalization mechanism in heavy-ion collisions is explored in classical
Yang-Mills(CYM) theory with the initial condition of color-glass condensate
with noise varied. We calculate the Lyapunov exponents and show that even a tiny noise
triggers instability of the system and then a chaotic behavior sets in as described
by the positive Lyapunov exponents, or Kolmogorov-Sinai(K-S) entropy,
which would take a saturate value after a characteristic time dependent on the ratio
of strengths of the noise to the back ground coherent fields.
Thus we see that the entropy production is achieved in CYM theory with a realistic initial condition of relativistic heavy-ion collisions.
Author
Hideaki Iida
(Kyoto University)
Co-authors
Akira Ohnishi
(Kyoto University)
Prof.
Andreas Shaefer
(Universität Regensburg)
Dr
Arata Yamamoto
(RIKEN)
Bernd Mueller
(-)
Teiji Kunihiro
(Kyoto University)
Prof.
Toru Takahashi
(Gunma National College of Technology)
