The 4D SU(3) gauge theory with an imaginary theta term

Details The 4D SU(3) gauge theory with an imaginary theta term The 4D SU(3) gauge theory with an imaginary theta term

2011-09-30

arxiv.org/abs/1109.6815v1

JHEP 11 (2011) 119

Physics

High Energy Physics

High Energy Physics - Lattice

12 pages

Scientific paper

We study the scaling behavior of the 4D SU(3) lattice gauge theory in the presence of a theta term, by Monte Carlo simulations computing the topological properties at imaginary theta. The numerical results provide a good evidence of scaling in the continuum limit. The imaginary theta dependence of the ground-state energy turns out to be well described by the first few terms of related expansions around theta=0, providing accurate estimates of the first few coefficients, up to O(theta^6).

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