Title of article :
Light-cone gauge integrals: prescriptionlessness at two loops
Author/Authors :
Alfredo T. Suzuki، نويسنده , , Alexandre G.M. Schmidt، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2000
Pages :
7
From page :
332
To page :
338
Abstract :
The only calculations performed beyond one-loop level in the light-cone gauge make use of the Mandelstam–Leibbrandt (ML) prescription in order to circumvent the notorious gauge dependent poles. Recently we have shown that in the context of negative dimensional integration method (NDIM) such prescription can be altogether abandoned, at least in one-loop order calculations. We extend our approach, now studying two-loop integrals pertaining to two-point functions. While previous works on the subject present only divergent parts for the integrals, we show that our prescriptionless method gives the same results for them, besides finite parts for arbitrary exponents of propagators.
Keywords :
Quantum field theory , negative dimensional integration , non-covariant gauges , Light-cone gauge
Journal title :
PHYSICS LETTERS B
Serial Year :
2000
Journal title :
PHYSICS LETTERS B
Record number :
913634
Link To Document :
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