Name: Abdel Nasser Tawfik
 Institution: MTI University
 Title: Thermodynamically Consistant Equations of State for Viscous Early Universe
 Key Words: Early Universe, Barotropic Equation of States, Transport Propperties in QCD Era, Strongly Interacting Background Matter   
 Abstract: In otder to characterize the QCD early universe, four baratropic equations of state are suggested. They are motivated by the new results from the heavy-ion collision experiments and recent lattice QCD simulations. Their consistancy with the laws of thermodynamics has been studied. Under the assumption that background matter is mainly characterized by the transport properties of QCD, the time evolutions of essentail cosmological paramters have been evaluated.