Summation and renormalization of bubble graphs to all orders
Author/Authors :
H. Verschelde، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2001
Pages :
7
From page :
165
To page :
171
Abstract :
We introduce the 2PPI expansion which sums the bubble graphs to all orders. We show that this expansion can be renormalized with the usual counterterms in a mass independent scheme. We discuss its application to the O(N) linear σ-model.
