---
title: "A Higher-Order Analysis of the Effects of Breaking Supersymmetry for Non-Linear - Models • CBPF Index"
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**Physics Note****Published**

# **A Higher-Order Analysis of the Effects of Breaking Supersymmetry for Non-Linear **Σ\\SigmaΣ**- Models**

**José Abdalla Helayel Neto; Alexander William Smith**

1989

[**Download PDF **0.8 MB](https://index.cbpf.br/files/publicacao/6ad2a767639f62b11adbb6ff/pdf) [**Contact owner**](mailto:apub@cbpf.br?subject=A%20Higher-Order%20Analysis%20of%20the%20Effects%20of%20Breaking%20Supersymmetry%20for%20Non-Linear%20-%20Models)

## **Publication details**

<dl>

<dt>Authors</dt>
<dd>José Abdalla Helayel Neto; Alexander William Smith</dd>

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

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

<dt>Publication date</dt>
<dd>1989</dd>

<dt>Description</dt>
<dd>Arbitrary (1,1) and (1.0) two–dimensional non-linear &lt;math&gt;\sigma &lt;/math&gt;–models, modified by the addition of coupling terms which explicitly break supersymmetry, are studied. The geometrical meaning of these additional terms is discussed. Supergraph methods, suitably extended to include the case of broken supersymmetry, are set and employed in explicit higher-loop computations to keep track of the effect that the explicit breaking of supersymmetry has on the ultraviolet behaviour of the originally supersymmetric models.</dd>

<dt>Year</dt>
<dd>1989</dd>

<dt>Number</dt>
<dd>CBPF-NF-033/89</dd>

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

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

</dl>

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