73 citations · 428 across the 15 of their papers we have counts for
5 papers · 1 filter
Role of inhomogeneities in the flattening of the quantum effective potential
Gergely Endrődi, Tamás G. Kovács, Gergely Markó
We investigate the role of inhomogeneous field configurations in systems with a spontaneously broken continuous global symmetry. Spontaneous breaking is usually defined as a specif…
Quark localization in QCD above
Matteo Giordano, Tamás G. Kovács, Ferenc Pittler
It was previously found that at high temperature the lowest part of the QCD Dirac spectrum consists of localized modes obeying Poisson statistics. Higher up in the spectrum, modes…
Anderson localization through Polyakov loops: lattice evidence and Random matrix model
Falk Bruckmann, Tamás G. Kovács, Sebastian Schierenberg
We investigate low-lying fermion modes in SU(2) gauge theory at temperatures above the phase transition. Both staggered and overlap spectra reveal transitions from chaotic (random…
Vortices and confinement
T. G. Kovács, E. T. Tomboulis
We review recent developments in the vortex picture of confinement. We discuss numerical simulations demonstrating that the entire asymptotic string tension is due to vortex-induce…
SO(3) vortices and disorder in the 2d SU(2) chiral model
Tamás G. Kovács, E. T. Tomboulis
We study the correlation function of the 2d SU(2) principal chiral model on the lattice. By rewriting the model in terms of Z(2) degrees of freedom coupled to SO(3) vortices we sho…