The pinch gauge

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چکیده

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The Pinch Technique Beyond One Loop: The Gauge-Independent Two-Loop Quark Self-Energy

It is shown how the pinch technique algorithm may be consistently extended beyond the one-loop level to obtain the gauge-independent two-loop fermion self-energy −iΣ̂(p) in QCD in the pinch technique approach. The starting point for the construction is the general diagrammatic representation of the two-loop quark self-energy in terms of renormalized one-loop twoand three-point function and tree ...

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QUANTALE-VALUED GAUGE SPACES

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ژورنال

عنوان ژورنال: South African Journal of Physiotherapy

سال: 1976

ISSN: 2410-8219,0379-6175

DOI: 10.4102/sajp.v32i3.1182