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Dynamical holographic QCD model for hadron spectra and quark matter---引力联合讨论班之三十一
2014-01-08     Text Size:  A
 
 

 

 

Title题目 

 

Dynamical holographic QCD model for hadron spectra and quark matter---引力联合讨论班之三十一 

 

Speaker报告人 

 

黄梅 研究员 

中国科学院高能物理研究所 

Date日期 

 

2014-01-08 AM 10:00 Wednesday 

Venue地点 

 

ITP New Building 6420, 理论物理研究所新楼四层多媒体教室 

Abstract摘要 

 

A dynamical holographic QCD model has been developed by resembling the renormalizationgroup from ultraviolet (UV) to infrared (IR). The dynamical holographic QCD model is constructed in the graviton-dilaton-scalar framework, where the dilaton background field $\Phi$ and scalar field $X$ are responsible for the gluodynamics and chiral dynamics, respectively. The produced scalar glueball spectra in the graviton-dilaton framework agree well with lattice data, and the light-flavor meson spectra generated in the graviton-dilaton-scalar framework are in well agreement with experimental data. The phase transition and jet quenching parameter have been investigated in the framework of dynamical holographic QCD model. It is found that both the trace anomaly and the ratio of the jet quenching parameter over cubic temperature show a peak around the critical temperature. The effect of jet  

quenching parameter around phase transition on nuclear modification factor $R_{AA}$ and elliptic flow $v_2$ have also been analyzed. 

Contact所内联系人 

 

蔡荣根 

  Appendix:
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