Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Fixed point analysis of a scalar theory with an external field   A momentum dependent projection of the Wegner-Hougton equation is derived for
a scalar theory coupled to an external field. This formalism is useful to
discuss the phase diagram of the theory. In particular we study some properties
of the Gaussian fixed point.

22
The categories of this paper are: chao-dyn
27
The categories of this paper are: comp-gas
29
The categories of this paper are: funct-an
13
The categories of this paper are: quant-ph
32
The categories of this paper are: atom-ph
2
The categories of this paper are: math
8
The categories of this paper are: hep-ex
33
The categories of this paper are: plasm-ph
30
The categories of this paper are: q-alg
9
The categories of this paper are: nlin
35
The categories of this paper are: mtrl-th
28
The categories of this paper are: alg-geom
25
The categories of this paper are: patt-sol
21
The categories of this paper are: adap-org
6
The categories of this paper are: astro-ph
26
The categories of this paper are: bayes-an