## Infrared structure of the QCD vacuum |

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3-dimensional 4-point function abelian theory amplitude analog-gas approximation approximate solution charged objects compact QED confinement mechanism confinement phase confinement properties continuum contribution corresponding Coulomb energy coupling g dimensional theory dimensions Eguchi eigenstate Euclidean evaluated expectation value exponent exponentiating field configurations field theory finite fixed-time flux functional integral gauge field gauge theory gauge transformation gauge-equivalent gauge-fixing gauge-invariant Georgi-Glashow model Gribov Ambiguity Gribov set ground ground-state Hamiltonian Hooft infinite infinitesmal infrared instanton interaction energy intermediate coupling isospace Joel Primack Kogut large distances large scale vacuum lattice vacuum long-wavelength magnetic Mandelstam method multiple links N-point non-abelian theory non-perturbative Nucl operator pendulum perturbation theory perturbative expansion Phys plaquettes plasma Polyakov QCD Vacuum quantized quantum quark rescaled satisfied Schrodinger equation smoothing radius solving strong-coupling lattice trivial vacuum truncation vacuum diagrams vacuum fluctuations vacuum wavefunctional Wilson loop Wu-Yang monopoles Yang-Mills theory Yang-Mills vacuum zero-point energy