---
title: "A Non-Perturbative Approach to the Coleman-Weinberg Mechanism in Massless Scalar QED • CBPF Index"
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**Physics Note****Published**

# **A Non-Perturbative Approach to the Coleman-Weinberg Mechanism in Massless Scalar QED**

**A.P.C. Malbouisson; F.S. Nogueira; N.F. Svaiter**

1995

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## **Publication details**

<dl>

<dt>Authors</dt>
<dd>A.P.C. Malbouisson; F.S. Nogueira; N.F. Svaiter</dd>

<dt>Type</dt>
<dd>Physics Note</dd>

<dt>Status</dt>
<dd>Published</dd>

<dt>Publication date</dt>
<dd>1995</dd>

<dt>Description</dt>
<dd>We rederive non-perturbatively the Coleman-Weinberg expression for the effective potential for massless scalar QED. Our result is not restricted to small values of the coupling constants. This shows that the Coleman-Weinberg result can be established beyond the range of validity of perturbation theory. Also, we derive it in a manifestly renormalization group invariant way. It is shown that with the derivation given no Landau ghost singularity arises. The finite temperature case is discussed.</dd>

<dt>Year</dt>
<dd>1995</dd>

<dt>Number</dt>
<dd>CBPF-NF-058/95</dd>

<dt>Linked to a thesis</dt>
<dd>No</dd>

<dt>Linked to a grant</dt>
<dd>No</dd>

</dl>

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