2006/08/31 by Iver Brevik, IVER BREVIK, Kazuo Ghoroku +1
Physics and Astronomy · #Absorption (acoustics) #Black Holes and Theoretical Physics #Glueball #High-Energy Particle Collisions Research #Phase (matter) #Phase transition #Quantum Chromodynamics and Particle Interactions #Shear (geology) #Shear viscosity #Viscosity #Volume viscosity #gr-qc #hep-th
paper · pdf · doi:10.1142/s0218271807010766
published in International Journal of Modern Physics D 16(07), 1249-1260 (World Scientific) · 11 pages latex, 2 figures; minor changes in the discussion, reference added. To appear in Int. J. Mod. Phys. D
arxiv created 2007/03/26 · openalex publication_date 2007/07/01 · arxiv updated 2009/12/01 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05
In terms of a simple holographic model, we study the absorption cross-section and the shear viscosity of a pure Yang–Mills field at low temperature where the system is in the confinement phase. Then we expect that the glueball states are the dominant modes in this phase. In our holographic model, an infrared cut-off r m is introduced as a parameter which fixes the lowest mass of the glueball. As a result, the critical temperature of gluon confinement is estimated to be T c ~ 127 MeV . For T < T c , we find that both the absorption cross-section and the shear viscosity are independent of the temperature. Their values are frozen at the values corresponding to the critical point, for 0 < T < T c . We discuss this behavior by considering the glueball mass and its temperature dependence.