<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0035-001X</journal-id>
<journal-title><![CDATA[Revista mexicana de física]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. mex. fis.]]></abbrev-journal-title>
<issn>0035-001X</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Mexicana de Física]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0035-001X2007001000030</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Fluctones en la teoría de Yang-Mills]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cartas-Fuentevilla]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Solano-Altamirano]]></surname>
<given-names><![CDATA[J.M]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Universidad Autónoma de Puebla Instituto de Física ]]></institution>
<addr-line><![CDATA[Puebla Pue]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2007</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2007</year>
</pub-date>
<volume>53</volume>
<fpage>155</fpage>
<lpage>158</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0035-001X2007001000030&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0035-001X2007001000030&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0035-001X2007001000030&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Se estudia la física de las fases topológicas de la teoría de Yang-Mills. Proponemos a losfluctones como perturbaciones topologicas del vacío de la teoría sin que estas sean necesariamente auto-duales. Se tienen a los instantones como caso particular cuando los fluctones cumplen la condición de auto-dualidad. Proponiendo un complejo elíptico apropiado e invocando el teorema de Atiyah-singer, se calcula el espacio moduli de los fluctones, el cual proporciona el número de grados de libertad de los fluctones. Como resultado, se infiere que las fases del sector topológico de la teoría no dependen necesariamente de la condición de autodualidad, sino simplemente de la naturaleza suave de los campos definidos sobre las variedades. Se consideran a las variedades S4, CP² y K3 como ejemplos para el cálculo de la dimensión del espacio moduli de fluctones.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[The topological phases of Yang-Mills theory are studied. The authors propose the fluctons as the topological fluctuations of vacuum, which are not necessarily self-dual. Instantons can be reached as a particular case of fluctons if they fulfill the self-duality condition. By proposing an appropriate elliptic complex and invoking the Atiyah-Singer index theorem, the dimension of the moduli space of the fluctons is calculated. This dimension provides the number of degrees of freedom of the fluctons. The topological phases of the Yang-Mills theory are independent of the self-duality condition, but they depend on the smoothness of the fields that are defined over manifolds. As examples, S4, CP² and K3 manifolds are considered to calculate the dimension of the moduli space of fluctons.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Teoría clásica de campos]]></kwd>
<kwd lng="es"><![CDATA[acción topológica]]></kwd>
<kwd lng="es"><![CDATA[espacio moduli]]></kwd>
<kwd lng="es"><![CDATA[teorema de índices de Atiyah-Singer]]></kwd>
<kwd lng="es"><![CDATA[instantones]]></kwd>
<kwd lng="es"><![CDATA[fluctones]]></kwd>
<kwd lng="en"><![CDATA[Classical field theory]]></kwd>
<kwd lng="en"><![CDATA[topological action]]></kwd>
<kwd lng="en"><![CDATA[moduli space]]></kwd>
<kwd lng="en"><![CDATA[Atiyah-Singer index theorem]]></kwd>
<kwd lng="en"><![CDATA[instantons]]></kwd>
<kwd lng="en"><![CDATA[fluctons]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <p align="center"><font face="verdana" size="4"><b>Fluctones en la teor&iacute;a de Yang&#150;Mills</b></font></p>     <p align="center"><font face="verdana" size="2">&nbsp;</font></p>     <p align="center"><font face="verdana" size="2"><b>R. Cartas&#150;Fuentevilla and J.M. Solano&#150;Altamirano</b></font></p>     <p align="center"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><i>Instituto de F&iacute;sica, Universidad Aut&oacute;noma de Puebla, Apartado postal J&#150;48 72570 Puebla, Pue., M&eacute;xico, e&#150;mail: <a href="mailto:jmsolano@sirio.ifuap.buap.mx">jmsolano@sirio.ifuap.buap.mx</a></i></font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2">Recibido el 1 de mayo de 2006    <br>   Aceptado el 1 de noviembre de 2006</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>Resumen</b></font></p>     ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2">Se estudia la f&iacute;sica de las fases topol&oacute;gicas de la teor&iacute;a de Yang&#150;Mills. Proponemos a <i>losfluctones </i>como perturbaciones topologicas del vac&iacute;o de la teor&iacute;a sin que estas sean necesariamente auto&#150;duales. Se tienen a los instantones como caso particular cuando los fluctones cumplen la condici&oacute;n de auto&#150;dualidad. Proponiendo un complejo el&iacute;ptico apropiado e invocando el teorema de Atiyah&#150;singer, se calcula el <i>espacio moduli </i>de los fluctones, el cual proporciona el n&uacute;mero de grados de libertad de los fluctones. Como resultado, se infiere que las fases del sector topol&oacute;gico de la teor&iacute;a no dependen necesariamente de la condici&oacute;n de autodualidad, sino simplemente de la naturaleza suave de los campos definidos sobre las variedades. Se consideran a las variedades <i>S<sup>4</sup>, CP<sup>2</sup> </i>y <i>K3 </i>como ejemplos para el c&aacute;lculo de la dimensi&oacute;n del espacio moduli de fluctones.</font></p>     <p align="justify"><font face="verdana" size="2"><b>Descriptores: </b>Teor&iacute;a cl&aacute;sica de campos; acci&oacute;n topol&oacute;gica; espacio moduli; teorema de &iacute;ndices de Atiyah&#150;Singer; instantones; fluctones. </font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>Abstract</b></font></p>     <p align="justify"><font face="verdana" size="2">The topological phases of Yang&#150;Mills theory are studied. The authors propose the <i>fluctons </i>as the topological fluctuations of vacuum, which are not necessarily self&#150;dual. Instantons can be reached as a particular case of fluctons if they fulfill the self&#150;duality condition. By proposing an appropriate elliptic complex and invoking the Atiyah&#150;Singer index theorem, the dimension of the moduli space of the fluctons is calculated. This dimension provides the number of degrees of freedom of the fluctons. The topological phases of the Yang&#150;Mills theory are independent of the self&#150;duality condition, but they depend on the smoothness of the fields that are defined over manifolds. As examples, <i>S<sup>4</sup>, CP<sup>2</sup> </i>and <i>K3 </i>manifolds are considered to calculate the dimension of the moduli space of fluctons.</font></p>     <p align="justify"><font face="verdana" size="2"><b>Keywords: </b>Classical field theory; topological action; moduli space; Atiyah&#150;Singer index theorem; instantons; fluctons.</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2">PACS:   11.10.&#150;z; 11.15.&#150;q; 03.65.Vf; 03.50.&#150;z</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><a href="/pdf/rmf/v53s4/v53s4a30.pdf">DESCARGAR ART&Iacute;CULO EN FORMATO PDF</a></font></p>     ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>Agradecimientos</b></font></p>     <p align="justify"><font face="verdana" size="2">Este trabajo esta apoyado por el Sistema Nacional de Investigadores y CONACyT, M&eacute;xico.</font></p>     <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>     <p align="justify"><font face="verdana" size="2"><b>Referencias</b></font></p>     <!-- ref --><p align="justify"><font face="verdana" size="2">1. A. Belavin, A. Polyakov, A. Schwarz y S. Tyupkin, <i>Phys. Lett. B </i><b>59</b> (1975) 85.</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8342017&pid=S0035-001X200700100003000001&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">2. C. Callan, R. Dashen y D. Gross, <i>Phys. Lett. B </i><b>63</b> (1976) 334.</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8342018&pid=S0035-001X200700100003000002&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">3. R. Jackiw y C. Rebbi, <i>Phys. Rev. Lett. </i><b>37</b> (1976) 172.</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8342019&pid=S0035-001X200700100003000003&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">4. G. 't Hooft,<i> Phys. Rev. Lett. </i><b>37</b> (1976) 8.</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8342020&pid=S0035-001X200700100003000004&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">5. G. 't Hooft,<i> Phys. Rev. D </i><b>14</b> (1976) 3432.</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8342021&pid=S0035-001X200700100003000005&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">6. S. Donaldson y P. Kronheimer, <i>The geometry of four&#150;manifolds </i>(Oxford University Press, 1990).</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8342022&pid=S0035-001X200700100003000006&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">7. C. Nash, <i>Differential topology and quantum field theory </i>(London Academic, 1991).</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8342023&pid=S0035-001X200700100003000007&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --><!-- ref --><p align="justify"><font face="verdana" size="2">8. T. Eguchi, P.B. Gilkey y A.J. Hanson, <i>Phys. Rep. </i><b>66</b> (1980) 213.</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8342024&pid=S0035-001X200700100003000008&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --> ]]></body><back>
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