Calculating the gauge-invariant two-point correlation function of gluonic field strengths | Zendy

Д.В. Антонов | Zendy

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Calculating the gauge-invariant two-point correlation function of gluonic field strengths

Author(s) -

Д.В. Антонов

Publication year - 2006

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2006/01/091

Subject(s) - gluon , physics , correlation function (quantum field theory) , invariant (physics) , gluon field , exponential function , gauge (firearms) , gauge theory , path integral formulation , mathematical physics , quantum electrodynamics , mathematical analysis , particle physics , mathematics , quantum chromodynamics , quantum mechanics , gauge fixing , gauge boson , archaeology , dielectric , quantum , history

The two-point gauge-invariant correlation function of gluonic fieldstrengths, which is the main input in the stochastic vacuum model, is derivedby using its relation to the Green functions of one- and two-gluon gluelumps.These Green functions are found by evaluating the path integrals of one and twogluons confined in the field of an infinitely heavy adjoint source. This allowsone to obtain also the terms in the exponential asymptotics of the two-pointcorrelation function, which are produced by fluctuations of the gluons aroundtheir mean separation from the source. The pre-exponents are derived as well,demonstrating some novel dependences on the distance.Comment: 9 pages, no figure

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