
TL;DR
This paper demonstrates that the Mandelstam-Leibbrandt prescription in light cone gauge calculations can be replaced by a symmetry-based regulator, simplifying complex loop integrals to standard dimensional regularization forms.
Contribution
The work introduces a symmetry-based approach to replace the Mandelstam-Leibbrandt prescription, streamlining calculations in gauge theories and string theory.
Findings
Simplifies loop integral calculations in light cone gauge.
Reduces complex ML prescriptions to standard dimensional regularization.
Enhances computational efficiency in gauge theory analyses.
Abstract
The light cone gauge is used frequently in string theory as well as gauge theories and gravitation. Loop integrals however have to be infrared regulated to remove spurious poles. The most popular and consistent of these infrared regulators is the Mandelstam-Leibbrandt(ML) prescription. The calculations with ML are rather cumbersome, though. In this work we show that the ML can be replaced by a symmetry of the regulator. This symmetry simplify the calculations, reducing them to conventional dimensional regularization integrals.
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