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Are Glueballs Knotted Closed Strings?
Antti J. Niemi
Glueballs have a natural interpretation as closed strings in Yang-Mills theory. Their stability requires that the string carries a nontrivial twist, or then it is knotted. Since a…
Glueballs, closed fluxtubes and eta(1440)
Ludvig Faddeev, Antti J. Niemi, Ulrich Wiedner
The component of the pseudoscalar has strong affinity for glue. But its mass is incompatible with lattice simulations that predict a much higher value for t…
Three Dimensional Gravity From SU(2) Yang-Mills Theory in Two Dimensions
Antti J. Niemi
We argue that two dimensional classical SU(2) Yang-Mills theory describes the embedding of Riemann surfaces in three dimensional curved manifolds. Specifically, the Yang-Mills fiel…
Can Renormalization Group Flow End in a Big Mess?
Alexei Morozov, Antti J. Niemi
The field theoretical renormalization group equations have many common features with the equations of dynamical systems. In particular, the manner how Callan-Symanzik equation ensu…
Asymptotically Free Yang-Mills Classical Mechanics with Self-Linked Orbits
M Luebcke, A. J. Niemi, K. Torokoff
We construct a classical mechanics Hamiltonian which exhibits spontaneous symmetry breaking akin the Coleman-Weinberg mechanism, dimensional transmutation, and asymptotically free…