Evaluation of Israel- Evaluation of Israel- Stewart parameters Stewart parameters in lattice gauge theory in lattice gauge theory KEK 理理理理理理理理理 『理理理 理理理理理理 ・ 』 Aug 11-13, 2009 Aug 11-13, 2009 Yasuhiro Kohno Yasuhiro Kohno (Osaka University) (Osaka University) M. Asakawa M. Asakawa 1 , M. Kitazawa , M. Kitazawa 1 , C. Nonaka , C. Nonaka 2 , S. , S. Pratt Pratt 3 1 Osaka Univ. Osaka Univ. 2 Nagoya Univ. Nagoya Univ. 3 Michigan Michigan State Univ. State Univ.
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Evaluation of Israel-Stewart parameters in lattice gauge theory
Evaluation of Israel-Stewart parameters in lattice gauge theory. KEK 理論センター研究会 『 原子核・ハドロン物理 』 Aug 11-13, 2009. Yasuhiro Kohno (Osaka University) M. Asakawa 1 , M. Kitazawa 1 , C. Nonaka 2 , S. Pratt 3 1 Osaka Univ. 2 Nagoya Univ. 3 Michigan State Univ. Contents. 1. Introduction - PowerPoint PPT Presentation
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Evaluation of Israel-Stewart parameters Evaluation of Israel-Stewart parameters in lattice gauge theory in lattice gauge theory
M. AsakawaM. Asakawa11, M. Kitazawa, M. Kitazawa11, C. Nonaka, C. Nonaka22, S. Pratt, S. Pratt33 11Osaka Univ. Osaka Univ. 22Nagoya Univ. Nagoya Univ. 33Michigan State Univ.Michigan State Univ.
I.Muller, Z. Phys. 198, 329 (1967)W.Israel and J.M.Stewart, Ann. Phys. (N.Y.) 118, 341 (1979)
散逸項
21q0 2 , , T
先行研究• Using Kubo formula with ansatz for spectral function. But the validity remains questionable.
Real time correlator
Viscosities Lattice QCDKubo formula
Analytic continuation
?Imaginary time correlator
F. Karsch and H. W. Wyld, Phys. Rev. D35, 2518(1987)A. Nakamura and S. Sakai, Phys. Rev. Lett. 94, 072305(2005) H. B. Meyer, Phys. Rev. D76, 101701(2007)
2222 )()(
)(
mm
A
研究方針Evaluation of the ratios of the viscosities to the relaxation times of Israel-Stewart (IS) theory in SU(3) lattice QCD.
Reduce the number of IS parameters
)(2
1
)(11
212
0
10
qquT
qqT
qT
suS
2 , 20
We try to obtain second order coefficients β0 & β2 .