---
title: "Vacuum Quantum Effects of Nonconformal Scalar Field in a Nonsingular Cosmological Model • CBPF Index"
description: "CBPF INDEX is the system that tracks the scientific and technological output of CBPF. It lists the articles, books, technical reports and other publications of the whole CBPF community."
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**Physics Note****Published**

# **Vacuum Quantum Effects of Nonconformal Scalar Field in a Nonsingular Cosmological Model**

**M. Novello; V. B. Bezerra; V. M. Mostepanenko**

1998

[**Download PDF **0.2 MB](https://index.cbpf.br/files/publicacao/6ad2a767639f62b11adbb492/pdf) [**Contact owner**](mailto:apub@cbpf.br?subject=Vacuum%20Quantum%20Effects%20of%20Nonconformal%20Scalar%20Field%20in%20a%20Nonsingular%20Cosmological%20Model)

## **Publication details**

<dl>

<dt>Authors</dt>
<dd>M. Novello; V. B. Bezerra; V. M. Mostepanenko</dd>

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

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

<dt>Publication date</dt>
<dd>1998</dd>

<dt>Description</dt>
<dd>The total vacuum stress-energy tensor of nonconformal scalar field is calculated in a nonsingular metric determined by some background matter with the effective negative energy density and pressure. The corrections due to the field nonconformity are shown to dominate the conformal contributions for some cases. The back reaction problem of vacuum stress-energy tensor upon the background metric is also discussed.</dd>

<dt>Year</dt>
<dd>1998</dd>

<dt>Number</dt>
<dd>CBPF-NF-028/98</dd>

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

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

</dl>

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