Equivalence between Zwanziger's horizon function and Gribov's no-pole ghost form factor
classification
✦ hep-th
keywords
gribovfactorformfunctionghosthorizonno-polezwanziger
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The ghost form factor entering the Gribov no-pole condition is evaluated till the third order in the gauge fields. The resulting expression turns out to coincide with Zwanziger's horizon function implementing the restriction to the Gribov region in the functional integral.
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