• Article  

      Change of θ dependence in 4D SU(N) gauge theories across the deconfinement transition 

      Bonati, C.; D'Elia, M.; Panagopoulos, Haralambos G.; Vicari, E. (2013)
      We study the dependence of 4D SU(N) gauge theories on the topological θ term at finite temperature T. We exploit the lattice formulation of the theory, presenting numerical results for the expansion of the free energy up ...
    • Conference Object  

      Computation of correlation matrices for tetraquark candidates with Jp = 0+ and flavor structure q1q2q3q3 

      Berlin, J.; Abdel-Rehim, A.; Alexandrou, Constantia; Dalla Brida, M.; Gravina, M.; Wagner, M. (Proceedings of Science (PoS), 2015)
      The conjecture that several recently observed mesons have a structure, which is not dominated by an ordinary quark-Antiquark pair, but by a four-quark structure, is being actively investigated both theoretical and ...
    • Article  

      Off-equilibrium scaling behaviors across first-order transitions 

      Panagopoulos, Haralambos G.; Vicari, E. (2015)
      We study off-equilibrium behaviors at first-order transitions (FOTs) driven by a time dependence of the temperature across the transition point Tc, such as the linear behavior T(t)/Tc=1±t/ts where ts is a time scale. In ...
    • Article  

      Simulating a CP-violating topological term in gauge theories 

      Panagopoulos, Haralambos G.; Vicari, E. (2012)
      We present recent results on the θ-dependence of four-dimensional SU(N) gauge theories, where θ is the coefficient of the CP-violating topological term in the Lagrangian. In particular, we study the scaling behavior of ...