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Cancellation of energy-divergences in Coulomb gauge QCD (CROSBI ID 115739)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Andraši, Anđelka ; Taylor, J. C. Cancellation of energy-divergences in Coulomb gauge QCD // European physical journal C : particles and fields, 41 (2005), 377-380. doi: 10.1140/epjc/s2005-02239-4

Podaci o odgovornosti

Andraši, Anđelka ; Taylor, J. C.

engleski

Cancellation of energy-divergences in Coulomb gauge QCD

In the Coulomb gauge of nonabelian gauge theories there are in general, in individual graphs, 'energy-divergences' on integrating over the loop energy variable for fixed loop momentum. These divergences are avoided in the Hamiltonian, phase-space formulation. But, even in this formulation, energy-divergences re-appear at 2-loop order. We show in an example how these cancel between graphs as a consequence of Ward identities.

QCD ; Coulomb gauge

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Podaci o izdanju

41

2005.

377-380

objavljeno

1434-6044

1434-6052

10.1140/epjc/s2005-02239-4

Povezanost rada

Fizika

Poveznice
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