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**Physics Note****Published**

# **On Spontaneous Symmetry Breaking Mechanism in Light-Front Quantized Field Theory**

**P. P. Srivastava**

1992

[**Download PDF **0.3 MB](https://index.cbpf.br/files/publicacao/6ad2a767639f62b11adbb643/pdf) [**Contact owner**](mailto:apub@cbpf.br?subject=On%20Spontaneous%20Symmetry%20Breaking%20Mechanism%20in%20Light-Front%20Quantized%20Field%20Theory)

## **Publication details**

<dl>

<dt>Authors</dt>
<dd>P. P. Srivastava</dd>

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

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

<dt>Publication date</dt>
<dd>1992</dd>

<dt>Description</dt>
<dd>Following the ''(standard)'' Dirac procedure, we describe the spontaneous symmetry breaking in light-front quantized scalar field theory. The zero mode operator of the field is shown to commute with the nonzero mode operators, and thus may be looked upon as a background field. In the light-front framework a nonlocal constraint must be satisfied. The values of the background field at the tree level, as a consequence, are shown to follow from the minimization of the light-front energy functional. We are thus led to a description parallel to the one made in equal-time framework where we appeal to physical considerations and minimize the energy. These values characterize the various (non-perturbative) vacua over which the corresponding physical sectors may be built by applying the non-zero mode operators.</dd>

<dt>Year</dt>
<dd>1992</dd>

<dt>Number</dt>
<dd>CBPF-NF-004/92</dd>

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

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

</dl>

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