<?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>1794-4449</journal-id>
<journal-title><![CDATA[Revista Lasallista de Investigación]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Lasallista Investig.]]></abbrev-journal-title>
<issn>1794-4449</issn>
<publisher>
<publisher-name><![CDATA[Corporación Universitaria Lasallista]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1794-44492021000100025</article-id>
<article-id pub-id-type="doi">10.22507/rli.v18n1a2</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Another Solution to the Schrödinger-Langevin Equation]]></article-title>
<article-title xml:lang="es"><![CDATA[Una Solución Alterna a la Ecuación de Schrödinger-Langevin]]></article-title>
<article-title xml:lang="pt"><![CDATA[Uma Solução Alternativa para a Equação Schrödinger-Langevin]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mendoza-Suárez]]></surname>
<given-names><![CDATA[Jairo Alonso]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[López-Carreño]]></surname>
<given-names><![CDATA[Juan Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mendoza-Suárez]]></surname>
<given-names><![CDATA[Rosalba]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Pamplona  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Pamplona  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Pamplona  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2021</year>
</pub-date>
<volume>18</volume>
<numero>1</numero>
<fpage>25</fpage>
<lpage>33</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S1794-44492021000100025&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S1794-44492021000100025&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S1794-44492021000100025&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction: an alternative solution to the Schrödinger-Langevin equation is presented, where the temporal dependence is explained, assuming a Coulomb potential. Finally, the trajectory equations are found.  Objective: in this paper we contribute by presenting a detailed and simple solution of the Schrödinger-Langevin equation for a Coulomb potential.  Materials and Methods: using an appropriate ansatz, we solve the Schrödinger-Langevin equation, finding the expected values of position and moment.  Results: a simple method was presented to find the expected position and moment values in the Schrödinger-Langevin equation, the ansatz used to find these solutions allows the model to be generalized in a certain way to electric potentials and harmonic oscillators.  Conclusions: the model used to solve the Schrödinger-Langevin equation, allowed to find the expected values of position and moment of a particle in a Coulomb potential, the temporal dependence of such solutions is made explicit, which allows finding the path equations of the particles.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción: se presenta una solución alternativa a la ecuación de Schrödinger-Langevin, donde se explica la dependencia temporal, asumiendo un potencial de Coulomb. Finalmente, se encuentran las ecuaciones de trayectoria.  Objetivo: en este trabajo hacemos una contribución presentando una solución detallada y sencilla de la ecuación de Schrödinger-Langevin para un potencial de Coulomb.  Materiales y Métodos: usando un ansatz apropiado, solucionamos la ecuación de Schrödinger-Langevin, encontrando los valores esperados de posición y momento.  Resultados: se presentó un método sencillo para hallar los valores esperados de posición y momento en la ecuación de Schrödinger-Langevin, el ansatz utilizado para encontrar estas soluciones permite generalizar en cierta forma el modelo a potenciales eléctricos y osciladores armónicos.  Conclusiones: el modelo utilizado para solucionar la ecuación de Schrödinger-Langevin, permitió encontrar los valores esperados de posición y momento de una partícula en un potencial de Coulomb, se explicita la dependencia temporal de tales soluciones lo que permite encontrar las ecuaciones de trayectoria de las partículas.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo  Introdução: uma solução alternativa para a equação de Schrödinger-Langevin é apresentada, onde a dependência temporal é explicada, assumindo um potencial de Coulomb. Finalmente, existem as equações de caminho.  Objetivo: neste trabalho fazemos uma contribuição apresentando uma solução simples e detalhada da equação de Schrödinger-Langevin para um potencial de Coulomb.  Materiais e métodos: usando um ansatz apropriado, resolvemos a equação de Schrödinger-Langevin, encontrando os valores esperados de posição e momento.  Resultados: foi apresentado um método simples para encontrar os valores esperados de posição e momento na equação de Schrödinger-Langevin, o ansatz utilizado para encontrar essas soluções permite que o modelo seja generalizado de certa forma para potenciais elétricos e osciladores harmônicos.  Conclusões: o modelo utilizado para resolver a equação de Schrödinger-Langevin, permitiu encontrar os valores esperados de posição e momento de uma partícula em um potencial de Coulomb, sendo explicitada a dependência temporal de tais soluções, o que permite encontrar as equações de caminho das partículas.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Schrödinger-Langevin equation]]></kwd>
<kwd lng="en"><![CDATA[quantum friction]]></kwd>
<kwd lng="en"><![CDATA[interpretation of Bhom]]></kwd>
<kwd lng="en"><![CDATA[expected value of the position]]></kwd>
<kwd lng="es"><![CDATA[Ecuación de Schrödinger-Langevin]]></kwd>
<kwd lng="es"><![CDATA[fricción cuántica]]></kwd>
<kwd lng="es"><![CDATA[interpretación de Bhom]]></kwd>
<kwd lng="es"><![CDATA[valor esperado de la posición]]></kwd>
<kwd lng="pt"><![CDATA[Equação de Schrödinger-Langevin]]></kwd>
<kwd lng="pt"><![CDATA[atrito quântico]]></kwd>
<kwd lng="pt"><![CDATA[interpretação de Bhom]]></kwd>
<kwd lng="pt"><![CDATA[valor esperado da posição]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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