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Nonlinear QCD Evolution: Saturation without Unitarization
Alexander Kovner, Urs Achim Wiedemann
We consider the perturbative description of saturation based on the nonlinear QCD evolution equation of Balitsky and Kovchegov (BK). Although the nonlinear corrections lead to satu…
Eikonal Evolution and Gluon Radiation
Alex Kovner, Urs Achim Wiedemann
We give a simple quantum mechanical formulation of the eikonal propagation approximation, which has been heavily used in recent years in problems involving hadronic interactions at…
Deconfinement at N>2: SU(N) Georgi-Glashow model in 2+1 dimensions
Ian. I Kogan, Alex Kovner, Bayram Tekin
We analyse the deconfining phase transition in the SU(N) Georgi-Glashow model in 2+1 dimensions. We show that the phase transition is second order for any N, and the universality c…
Hagedorn transition, vortices and D0 branes: Lessons from 2+1 confining strings
Ian. I Kogan, Alex Kovner, Martin Schvellinger
We study the behaviour of Polyakov confining string in the Georgi-Glashow model in three dimensions near confining-deconfining phase transition described in hep-th/0010201. In the…
Z(N) wall junctions: Monopole fossils in hot QCD
Alex Kovner
We point out that the effective action of hot Yang--Mills theories has semi-classical solutions, which are naturally identified with monopole world lines, ``frozen'' into the short…
Instanton molecules at high temperature - the Georgi-Glashow model and beyond
Ian I. Kogan, Alex Kovner, Bayram Tekin
We show that correlators of some local operators in gauge theories are sensitive to the presence of the instantons even at high temperature where the latter are bound into instanto…