Yang-Mills Theories in Algebraic Non-Covariant Gauges Downloaded from www.worldscientific.com by 44.224.250.200 on 12/13/20. Re-use and distribution is strictly not permitted, except for Open Access articles.
We show that a certain class of nonlocal scalar models, with a kinetic
operator inspired by string field theory, is equivalent to a system which is
local in the coordinates but nonlocal in an auxiliary evolution variable. This
system admits both Lagrangian and Hamiltonian formulations, and its Cauchy
problem and quantization are well-defined. We classify exact nonperturbative
solutions of the localized model which can be found via the diffusion equation
governing the fields.Comment: 12 pages; v2: typos correcte
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