<?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>S0035-001X2002000200005</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Supersymmetric quantum solution for FRW cosmological model with matter]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Socorro]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Universidad de Guanajuato Instituto de Física ]]></institution>
<addr-line><![CDATA[León Guanajuato]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2002</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2002</year>
</pub-date>
<volume>48</volume>
<numero>2</numero>
<fpage>112</fpage>
<lpage>117</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0035-001X2002000200005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0035-001X2002000200005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0035-001X2002000200005&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Using the technique of supersymmetric quantum mechanics we present new cosmological quantum solutions, in the regime for FRW cosmological model using a barotropic perfect fluid as matter field.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Usando la técnica de la mecánica cuántica supersimétrica, se presentan nuevas soluciones cosmológicas cuánticas para el modelo cosmológico FRW, para un fluido perfecto barotrópico como campo de materia.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Witten's supersymmetric quantum mechanics]]></kwd>
<kwd lng="en"><![CDATA[factor ordering]]></kwd>
<kwd lng="en"><![CDATA[Einstein-Hamilton-Jacobi equation]]></kwd>
<kwd lng="en"><![CDATA[exact solutions]]></kwd>
<kwd lng="es"><![CDATA[Mecánica cuántica supersimétrica a la Witten]]></kwd>
<kwd lng="es"><![CDATA[ordenamiento de factores]]></kwd>
<kwd lng="es"><![CDATA[ecuación de Einstein-Hamilton-Jacobi]]></kwd>
<kwd lng="es"><![CDATA[soluciones exactas]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <p align="justify"><font face="verdana" size="4">Investigaci&oacute;n</font></p>     <p align="justify">&nbsp;</p>   	    <p align="center"><font face="verdana" size="4"><b>Supersymmetric quantum solution for FRW cosmological model with matter</b></font></p> 	    <p align="center">&nbsp;</p>       <p align="center"><font face="verdana" size="2"><b>J. Socorro</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 de la Universidad de Guanajuato Apartado Postal E&#45;143, C.P. 37150, Le&oacute;n, Guanajuato, M&eacute;xico.</i> E&#45;mail: <a href="mailto:socorro@ifug3.ugto.mx">socorro@ifug3.ugto.mx</a></font></p>     <p align="justify">&nbsp;</p>  	  	    <p align="justify"><font face="verdana" size="2">Recibido el 13 de agosto de 2001.    <br> 	Aceptado el 22 de enero de 2002.</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>Abstract</b></font></p>  	    <p align="justify"><font face="verdana" size="2">Using the technique of supersymmetric quantum mechanics we present new cosmological quantum solutions, in the regime for FRW cosmological model using a barotropic perfect fluid as matter field.</font></p>  	    <p align="justify"><font face="verdana" size="2"><b>Keywords:</b> Witten's supersymmetric quantum mechanics; factor ordering; Einstein&#45;Hamilton&#45;Jacobi equation; exact solutions.</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>  	    <p align="justify"><font face="verdana" size="2">Usando la t&eacute;cnica de la mec&aacute;nica cu&aacute;ntica supersim&eacute;trica, se presentan nuevas soluciones cosmol&oacute;gicas cu&aacute;nticas para el modelo cosmol&oacute;gico FRW, para un fluido perfecto barotr&oacute;pico como campo de materia.</font></p>  	    <p align="justify"><font face="verdana" size="2"><b>Palabras clave:</b> Mec&aacute;nica cu&aacute;ntica supersim&eacute;trica a la Witten; ordenamiento de factores; ecuaci&oacute;n de Einstein&#45;Hamilton&#45;Jacobi; soluciones exactas.</font></p>  	    <p align="justify"><font face="verdana" size="2">PACS: 04.20.Jb; 04.40.Nr; 12.60.Jv; 98.80.Hw</font></p>  	    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>  	    ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2"><a href="/pdf/rmf/v48n2/v48n2a5.pdf" target="_blank">DESCARGAR ART&Iacute;CULO EN FORMATO PDF</a></font></p>  	    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>  	    <p align="justify"><font face="verdana" size="2"><b>References</b></font></p>  	    <!-- ref --><p align="justify"><font face="verdana" size="2">1. E. Witten, <i>Nucl. Phys. B </i>188 (1981) 513.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8285845&pid=S0035-001X200200020000500001&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p>  	    <!-- ref --><p align="justify"><font face="verdana" size="2">2. J. Socorro and E.R. Medina, <i>Phys. Rev. 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