Analytic calculation of field-strength correlators

Details Analytic calculation of field-strength correlators Analytic calculation of field-strength correlators

2005-01-19

arxiv.org/abs/hep-ph/0501182v3

Phys.Atom.Nucl. 69 (2006) 528-540

Physics

High Energy Physics

High Energy Physics - Phenomenology

28 pages, no figures; new material added, misprints corrected

Scientific paper

10.1134/S106377880603015X

Field correlators are expressed using background field formalism through the gluelump Green's functions. The latter are obtained in the path integral and Hamiltonian formalism. As a result behaviour of field correlators is obtained at small and large distances both for perturbative and nonperturbative parts. The latter decay exponentially at large distances and are finite at x=0, in agreement with OPE and lattice data.

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