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Aspects of parity, CP, and time reversal violation in hot QCD
Dmitri E. Kharzeev, Robert D. Pisarski, Michel H. G. Tytgat
We discuss various aspects of parity, CP, and time reversal invariances in QCD. In particular, we focus attention on the previously proposed possibility that these experimentally e…
Sum Rules in the CFL Phase of QCD at finite density
Cristina Manuel, Michel H. G. Tytgat
We study the asymmetry between the vector current and axial-vector current correlators in the colour-flavour locking (CFL) phase of QCD at finite density. Using Weinberg's sum rule…
Excitations in Hot Non-Commutative Theories
Karl Landsteiner, Esperanza Lopez, Michel H. G. Tytgat
We study the dispersion relation for scalar excitations in supersymmetric, non-commutative theories at finite temperature. In N=4 Yang-Mills the low momenta modes have superluminou…
Large N_c, chiral approach to M_eta' at finite temperature
R. Escribano, F. S. Ling, M. H. G. Tytgat
We study the temperature dependence of the eta and eta' meson masses within the framework of U(3)_L x U(3)_R chiral perturbation theory, up to next-to-leading order in a simultaneo…
Anomalous processes at high temperature and density in a 2-dimensional linear model
F. Gelis, M. H. G. Tytgat
We use the 2-dimensional model as a toy model to study the behavior of anomalous amplitudes in the limit where the constituent quark mass is small. Symmetry arguments tell that…
Masses of the Goldstone modes in the CFL phase of QCD at finite density
Cristina Manuel, Michel H. G. Tytgat
We construct the U_L(3) x U_R(3) effective lagrangian which encodes the dynamics of the low energy pseudoscalar excitations in the Color-Flavor-Locking superconducting phase of QCD…