<?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>S0035-001X2002000100002</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Un nuevo método general para transformar canónicamente una hamiltoniana en otra de forma dada]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gómez Trapote]]></surname>
<given-names><![CDATA[Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Universidad de Valladolid Facultad de Ciencias Departamento de Física Teórica, Atómica y Molecular]]></institution>
<addr-line><![CDATA[Valladolid ]]></addr-line>
<country>España</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2002</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2002</year>
</pub-date>
<volume>48</volume>
<numero>1</numero>
<fpage>4</fpage>
<lpage>9</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0035-001X2002000100002&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0035-001X2002000100002&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0035-001X2002000100002&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[El método de mayor generalidad para transformar canónicamente una hamiltoniana en otra de forma dada se fundamenta en el uso reiterado de la ecuación de Hamilton-Jacobi. Es una técnica normalmente laboriosa y sólo ofrece soluciones particulares del problema. Exponemos un nuevo método general que sin acudir a ecuaciones de Hamilton-Jacobi resuelve más cómodamente el problema y proporciona además todas sus posibles soluciones.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[The more general method to perform a cononical transformation of a Hamiltonian into another one of a given form is based on the repeated use of the Hamilton-Jacobi equation. This is usually a tedious technique which leads to some particular solutions of the problem. We present a new general method which does not rely on the Hamilton-Jacobi equation and moreover it gives all the possible solutions.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Mecánica analítica]]></kwd>
<kwd lng="es"><![CDATA[hamiltoniana]]></kwd>
<kwd lng="es"><![CDATA[transformación canónica]]></kwd>
<kwd lng="es"><![CDATA[ecuación de Hamilton-Jacobi]]></kwd>
<kwd lng="en"><![CDATA[Analytical mechanics]]></kwd>
<kwd lng="en"><![CDATA[hamiltonian]]></kwd>
<kwd lng="en"><![CDATA[canonical transformation]]></kwd>
<kwd lng="en"><![CDATA[Hamilton-Jacobi equation]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[  	    <p align="justify"><font face="verdana" size="4">Investigaci&oacute;n</font></p>  	    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>  	    <p align="center"><font face="verdana" size="4"><b>Un nuevo m&eacute;todo general para transformar can&oacute;nicamente una hamiltoniana en otra de forma dada</b></font></p>  	    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>  	    <p align="center"><font face="verdana" size="2"><b>Alberto G&oacute;mez Trapote</b></font></p>  	    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>  	    <p align="justify"><font face="verdana" size="2"><i>Departamento de F&iacute;sica Te&oacute;rica, At&oacute;mica y Molecular, Facultad de Ciencias, Universidad de Valladolid Prado de la Magdalena s/n, 47011 Valladolid, Espa&ntilde;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 27 de junio de 2001.    ]]></body>
<body><![CDATA[<br> 	Aceptado el 13 de septiembre de 2001.</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">El m&eacute;todo de mayor generalidad para transformar can&oacute;nicamente una hamiltoniana en otra de forma dada se fundamenta en el uso reiterado de la ecuaci&oacute;n de Hamilton&#45;Jacobi. Es una t&eacute;cnica normalmente laboriosa y s&oacute;lo ofrece soluciones particulares del problema. Exponemos un nuevo m&eacute;todo general que sin acudir a ecuaciones de Hamilton&#45;Jacobi resuelve m&aacute;s c&oacute;modamente el problema y proporciona adem&aacute;s todas sus posibles soluciones.</font></p>      <p align="justify"><font face="verdana" size="2"><b>Palabras clave:</b> Mec&aacute;nica anal&iacute;tica; hamiltoniana; transformaci&oacute;n can&oacute;nica; ecuaci&oacute;n de Hamilton&#45;Jacobi.</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 more general method to perform a cononical transformation of a Hamiltonian into another one of a given form is based on the repeated use of the Hamilton&#45;Jacobi equation. This is usually a tedious technique which leads to some particular solutions of the problem. We present a new general method which does not rely on the Hamilton&#45;Jacobi equation and moreover it gives all the possible solutions.</font></p>  	    <p align="justify"><font face="verdana" size="2"><b>Keywords:</b> Analytical mechanics; hamiltonian; canonical transformation; Hamilton&#45;Jacobi equation.</font></p>  	    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>  	    ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2">PACS: 03.20.+i</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/v48n1/v48n1a2.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>Referencias</b></font></p>  	    <!-- ref --><p align="justify"><font face="verdana" size="2">1. H. Goldstein <i>Mec&aacute;nica Cl&aacute;sica,</i> 2a edici&oacute;n, (Reverte, Barcelona, 1988), p.466.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8284547&pid=S0035-001X200200010000200001&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. E.N. Glass y J.J.G. Scanio, <i>Am. J. Phys.</i> <b>45</b> (1977) 344.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8284549&pid=S0035-001X200200010000200002&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">3. C.M. Caves <i>et al., Rev. Mod. Phys.</i> <b>52</b> (1980) 364.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8284551&pid=S0035-001X200200010000200003&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">4. R. Lynch, <i>Phys. Rev. Lett.</i> <b>51</b> (1983) 1405.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8284553&pid=S0035-001X200200010000200004&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">5. R. Lynch, <i>Amer. J. Phys.</i> <b>53</b> (1985) 176.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8284555&pid=S0035-001X200200010000200005&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p>  	    <p align="justify"><font face="verdana" size="2">6. Consultar por ejemplo Ref. 1 ahora en p. 533.</font></p>  	    <!-- ref --><p align="justify"><font face="verdana" size="2">7. P.P. Adam, <i>Curso Te&oacute;rico Pr&aacute;ctico de Ecuaciones Diferenciales,</i> 15a edici&oacute;n, (Nuevas Gr&aacute;ficas, Madrid, 1978), p. 221.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8284558&pid=S0035-001X200200010000200006&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">8. A. Ranada, <i>Din&aacute;mica Cl</i>&aacute;<i>sica,</i> (Alianza Editorial, Madrid, 1990), p. 570.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8284560&pid=S0035-001X200200010000200007&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p>  	    ]]></body>
<body><![CDATA[<!-- ref --><p align="justify"><font face="verdana" size="2">9. M. Moshinsky y Winternitz <i>J. Math. Phys.</i> <b>21</b> (1980) 1667.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8284562&pid=S0035-001X200200010000200008&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p>      ]]></body><back>
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</article>
