Comments on the renormalizability of the Broken Phase in Noncommutative Scalar Field Theory

Details Comments on the renormalizability of the Broken Phase in Noncommutative Scalar Field Theory Comments on the renormalizability of the Broken Phase in Noncommutative Scalar Field Theory

2001-04-11

arxiv.org/abs/hep-th/0104106v1

JHEP 0105:049,2001

Physics

High Energy Physics

High Energy Physics - Theory

18 pages, 22 figures, revtex

Scientific paper

10.1088/1126-6708/2001/05/049

We study the noncommutative $\phi^4$ theory with spontaneously broken global
O(2) symmetry in 4 dimensions. We demonstrate the renormalizability at one
loop. This does not require any choice of ordering of the fields in the
interaction terms. It involves regulating the ultraviolet and infrared
divergences in a manner consistent with the Ward identities.

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