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> Index of every page on this site: [llms.txt](https://index.cbpf.br/llms.txt)

**Nota de Física****Publicado**

# **Finite Size Effects in the Anisotropic **<math>λ4!(φ14+φ24)d</math>\<math>\\frac{\\lambda}{4!}(\\varphi^{4}\_{1}+\\varphi^{4}\_{2})\_{d}\</math><math>4!λ​(φ14​+φ24​)d​</math>** Model**

**C.D. Fosco; N.F. Svaiter**

1999

[**Descargar PDF **0,2 MB](https://index.cbpf.br/files/publicacao/6ad2a767639f62b11adbb46b/pdf) [**Contactar al responsable**](<mailto:apub@cbpf.br?subject=Finite%20Size%20Effects%20in%20the%20Anisotropic%20%3Cmath%3E%CE%BB4!(%CF%9541%2B%CF%9542)d%3C%2Fmath%3E%20Model>)

## **Datos de la publicación**

<dl>

<dt>Autores</dt>
<dd>C.D. Fosco; N.F. Svaiter</dd>

<dt>Tipo</dt>
<dd>Nota de Física</dd>

<dt>Estado</dt>
<dd>Publicado</dd>

<dt>Fecha de publicación</dt>
<dd>1999</dd>

<dt>Descripción</dt>
<dd>We consider the &lt;math&gt;\frac{\lambda}{4!}(\varphi^{4}_{1}+\varphi^{4}_{2})\,\!&lt;/math&gt; model on a d-dimensional Euclidean space, where all but one of the coordinates are unbounded. Translation invariance along the bounded coordinate,'' z'', which lies in the interval [0,L], is broken because of the boundary conditions (BC's) chosen for the hyperplanes ''z'' = 0 and ''z'' = L. Two different possibilities for these BC's boundary conditions are considered: DD and NN, where D denotes Dirichlet and N Newmann, respectively. The renormalization procedure up to one-loop order is applied, obtaining two main results. The first is the fact that the renormalization program requires the introduction of counterterms which are surface interactions. The second one is that the tadpole graphs for DD and NN have the same z dependent part in modulus but with opposite signs. We investigate the relevance of this fact to the elimination of surface divergences.</dd>

<dt>Año</dt>
<dd>1999</dd>

<dt>Número</dt>
<dd>CBPF-NF-052/99</dd>

<dt>Vínculo con tesis</dt>
<dd>No</dd>

<dt>Vínculo con beca</dt>
<dd>No</dd>

</dl>

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