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 prescription (ML). The calculations with the ML are rather cumbersome, though. In this work, we show that the ML can be replaced by a symmetry of the regulator. This symmetry simplifies the calculations, reducing them to conventional dimensional regularization integrals.
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