Shock propagation and stability in causal dissipative hydrodynamics

• DOI: 10.1103/physrevc.78.034901
• Publication Date: 2008-09-02T23:04:27Z
• Authors: G. S. Denicol; T. Kodama; T. Koide; Ph. Mota
• Keywords: Nuclear Theory (nucl-th); High Energy Physics - Phenomenology; High Energy Physics - Phenomenology (hep-ph); Nuclear Theory; Statistical Mechanics (cond-mat.stat-mech); 0103 physical sciences; FOS: Physical sciences; 01 natural sciences; Condensed Matter - Statistical Mechanics

14 pages, 16 figures<br/>We studied the shock propagation and its stability with the causal dissipative hydrodynamics in 1+1 dimensional systems. We show that the presence of the usual viscosity is not enough to stabilize the solution. This problem is solved by introducing an additional viscosity which is related to the coarse-graining scale of the theory.<br/>