<?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>S0035-001X2002000100004</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Supersymmetry and the constants of motion of the two-dimensional isotropic harmonic oscillator]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Torres del Castillo]]></surname>
<given-names><![CDATA[G.F.]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tepper García]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<xref ref-type="aff" rid="A02"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Universidad Autónoma de Puebla Instituto de Ciencias Departamento de Física Matemática]]></institution>
<addr-line><![CDATA[Puebla ]]></addr-line>
<country>México</country>
</aff>
<aff id="A02">
<institution><![CDATA[,Universidad de las Américas Escuela de Ciencias Departamento de Física y Matemáticas]]></institution>
<addr-line><![CDATA[Cholula Puebla]]></addr-line>
<country>México</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>16</fpage>
<lpage>18</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0035-001X2002000100004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0035-001X2002000100004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0035-001X2002000100004&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[It is shown that the constants of motion of the two-dimensional isotropic harmonic oscillator not related to the rotational invariance of the Hamiltonian can be derived using the ideas of supersymmetric quantum mechanics.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Se muestra que las constantes de movimiento del oscilador armónico bidimensional isótropo no relacionadas con la invarianza rotacional del hamiltoniano, pueden derivarse usando las ideas de la mecánica cuántica supersimétrica.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Supersymmetric quantum mechanics]]></kwd>
<kwd lng="en"><![CDATA[hidden symmetries]]></kwd>
<kwd lng="es"><![CDATA[Mecánica cuántica supersimétrica]]></kwd>
<kwd lng="es"><![CDATA[simetrías ocultas]]></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>Supersymmetry and the constants of motion of the two&#45;dimensional isotropic harmonic oscillator</b></font></p>  	    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>  	    <p align="center"><font face="verdana" size="2"><b>G.F. Torres del Castillo<sup>1</sup> and T. Tepper Garc&iacute;a<sup>2</sup></b></font></p>  	    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>  	    <p align="justify"><font face="verdana" size="2"><sup>1</sup><i> Departamento de F&iacute;sica Matem&aacute;tica, Instituto de Ciencias Universidad Aut&oacute;noma de Puebla, 72570 Puebla, Pue., M&eacute;xico</i>.</font></p>  	    <p align="justify"><font face="verdana" size="2"><sup>2</sup><i> Escuela de Ciencias, Departamento de F&iacute;sica y Matem&aacute;ticas. Universidad de Las Am&eacute;ricas&#45;Puebla, Santa Catarina M&aacute;rtir, 72820 Cholula, Pue., M&eacute;xico</i>.</font></p>  	    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p>  	    ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2">Recibido el 20 de agosto de 2001.    <br> 	Aceptado el 13 de noviembre de 2001.</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">It is shown that the constants of motion of the two&#45;dimensional isotropic harmonic oscillator not related to the rotational invariance of the Hamiltonian can be derived using the ideas of supersymmetric quantum mechanics.</font></p>  	    <p align="justify"><font face="verdana" size="2"><b>Keywords:</b> Supersymmetric quantum mechanics; hidden symmetries.</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">Se muestra que las constantes de movimiento del oscilador arm&oacute;nico bidimensional is&oacute;tropo no relacionadas con la invarianza rotacional del hamiltoniano, pueden derivarse usando las ideas de la mec&aacute;nica cu&aacute;ntica supersim&eacute;trica.</font></p>  	    <p align="justify"><font face="verdana" size="2"><b>Palabras clave:</b> Mec&aacute;nica cu&aacute;ntica supersim&eacute;trica; simetr&iacute;as ocultas</font>.</p>  	    ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2">&nbsp;</font></p>  	    <p align="justify"><font face="verdana" size="2">PACS: 03.65.Fd</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/v48n1a4.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. J.M. Lyman and P.K. Aravind, <i>J. Phys. A: Math. Gen.</i> <b>26</b> (1993) 3307.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8284661&pid=S0035-001X200200010000400001&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. V.A. Kostelecky, M.M. Nieto, and D.R. Traux, <i>Phys. Rev. D</i><b>32</b> (1985) 2627.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8284663&pid=S0035-001X200200010000400002&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">3. C.V. Sukumar, <i>J. Phys. A: Math. Gen.</i> <b>18</b> (1985) L57.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8284665&pid=S0035-001X200200010000400003&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. C.V. Sukumar, <i>J. Phys. A: Math. Gen.</i> <b>18</b> (1985) 2917.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8284667&pid=S0035-001X200200010000400004&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.W. Haymaker and A.R.P. Rau, <i>Am. J. Phys.</i> <b>54</b> (1986) 928.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8284669&pid=S0035-001X200200010000400005&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">6. R. Dutt, A. Khare, and U.P. Sukhatme, <i>Am. J. Phys.</i> <b>56</b> (1988) 163.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8284671&pid=S0035-001X200200010000400006&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">7. O.L. de Lange and R.E. Raab, <i>Operator Methods in Quantum Mechanics,</i> (Oxford University Press, Oxford, 1991).    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8284673&pid=S0035-001X200200010000400007&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">8. G. Junker, <i>Supersymmetric Methods in Quantum and Statistical Physics,</i> (Springer&#45;Verlag, Berlin, 1996).    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=8284675&pid=S0035-001X200200010000400008&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p>      ]]></body><back>
<ref-list>
<ref id="B1">
<label>1.</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lyman]]></surname>
<given-names><![CDATA[J.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Aravind]]></surname>
<given-names><![CDATA[P.K.]]></given-names>
</name>
</person-group>
<source><![CDATA[J. Phys. A: Math. Gen.]]></source>
<year>1993</year>
<volume>26</volume>
<page-range>3307</page-range></nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kostelecky]]></surname>
<given-names><![CDATA[V.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Nieto]]></surname>
<given-names><![CDATA[M.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Traux]]></surname>
<given-names><![CDATA[D.R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Phys. Rev. D]]></source>
<year>1985</year>
<volume>32</volume>
<page-range>2627</page-range></nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sukumar]]></surname>
<given-names><![CDATA[C.V.]]></given-names>
</name>
</person-group>
<source><![CDATA[J. Phys. A: Math. Gen.]]></source>
<year>1985</year>
<volume>18</volume>
<page-range>L57</page-range></nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sukumar]]></surname>
<given-names><![CDATA[C.V.]]></given-names>
</name>
</person-group>
<source><![CDATA[J. Phys. A: Math. Gen.]]></source>
<year>1985</year>
<volume>18</volume>
<page-range>2917</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Haymaker]]></surname>
<given-names><![CDATA[R.W.]]></given-names>
</name>
<name>
<surname><![CDATA[Rau]]></surname>
<given-names><![CDATA[A.R.P.]]></given-names>
</name>
</person-group>
<source><![CDATA[Am. J. Phys.]]></source>
<year>1986</year>
<volume>54</volume>
<page-range>928</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dutt]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Khare]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Sukhatme]]></surname>
<given-names><![CDATA[U.P.]]></given-names>
</name>
</person-group>
<source><![CDATA[Am. J. Phys.]]></source>
<year>1988</year>
<volume>56</volume>
<page-range>163</page-range></nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[de Lange]]></surname>
<given-names><![CDATA[O.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Raab]]></surname>
<given-names><![CDATA[R.E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Operator Methods in Quantum Mechanics]]></source>
<year>1991</year>
<publisher-loc><![CDATA[Oxford ]]></publisher-loc>
<publisher-name><![CDATA[Oxford University Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Junker]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Supersymmetric Methods in Quantum and Statistical Physics]]></source>
<year>1996</year>
<publisher-loc><![CDATA[Berlin ]]></publisher-loc>
<publisher-name><![CDATA[Springer-Verlag]]></publisher-name>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
