<?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>S0035-001X2016000400330</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Estudio teórico sobre el cambio de índice de refracción y la absorción óptica en un punto cuántico en presencia de un campo magnético uniforme]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Portacio]]></surname>
<given-names><![CDATA[A.A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jiménez]]></surname>
<given-names><![CDATA[A.F.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Urango]]></surname>
<given-names><![CDATA[M. del P.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de los Llanos Departamento de Matemática y Física Facultad de Ciencias básicas e Ingenierías]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de los Llanos Departamento de Biología y Química Facultad de Ciencias básicas e Ingenierías]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2016</year>
</pub-date>
<volume>62</volume>
<numero>4</numero>
<fpage>330</fpage>
<lpage>335</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0035-001X2016000400330&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0035-001X2016000400330&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0035-001X2016000400330&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Se estudia teóricamente el cambio del índice de refracción lineal y no lineal como también la absorción óptica lineal y no lineal en un punto cuántico cilíndrico (CQD) en presencia de un campo magnético uniforme, usando el formalismo de la matriz densidad y un procedimiento perturbativo. Los niveles de energía y las funciones de onda de un electrón en el CQD se obtuvieron solucionando la ecuación de Schrödinger independiente del tiempo en el marco de la aproximación de masa efectiva. Los cálculos numéricos se efectúan para un CQD de GaAs/GaAlAs. Se encontró que la posición de los picos de resonancia, se desplazan hacia regiones de bajas energías (corrimiento al rojo) cuando la intensidad del campo magnético disminuye y aumentan las dimensiones de la nano-estructura.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: We study theoretically linear and nonlinear change of refractive index as well the linear and nonlinear optical absorption in a cylindrical quantum dot (CQD) in the presence of a uniform magnetic field by using the formalism of matrix density and perturbation method. The energy levels and wave functions of an electron in the CQD were obtained by solving the Schrödinger equation independent of time within the effective mass approximation. Numerical calculations are performed for a CQD GaAs/GaAlAs. It was found that the position of the resonance peaks, shifts to regions of lower energies (red shift) when the magnetic field intensity decreases and the dimensions of the nanostructure increases.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Absorción óptica]]></kwd>
<kwd lng="es"><![CDATA[punto cuántico cilíndrico]]></kwd>
<kwd lng="es"><![CDATA[campo magnético]]></kwd>
<kwd lng="es"><![CDATA[matriz densidad]]></kwd>
<kwd lng="en"><![CDATA[Optical absorption]]></kwd>
<kwd lng="en"><![CDATA[cylindrical quantum dot]]></kwd>
<kwd lng="en"><![CDATA[magnetic field]]></kwd>
<kwd lng="en"><![CDATA[density matrix]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>1</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rezaei]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Shojaeian Kish]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Vaseghi]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Taghizadeh]]></surname>
<given-names><![CDATA[S.F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Physica B]]></source>
<year>2014</year>
<volume>451</volume>
<page-range>1-6</page-range></nlm-citation>
</ref>
<ref id="B2">
<label>2</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vaseghi]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Sadri]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Rezaei]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Gharaati]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Physica B]]></source>
<year>2015</year>
<volume>457</volume>
<page-range>212-7</page-range></nlm-citation>
</ref>
<ref id="B3">
<label>3</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[Guanghui]]></given-names>
</name>
</person-group>
<source><![CDATA[Optics Communications]]></source>
<year>2015</year>
<volume>355</volume>
<page-range>1-5</page-range></nlm-citation>
</ref>
<ref id="B4">
<label>4</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Akimoto]]></surname>
<given-names><![CDATA[Masaya]]></given-names>
</name>
<name>
<surname><![CDATA[Toyoda]]></surname>
<given-names><![CDATA[Taro]]></given-names>
</name>
<name>
<surname><![CDATA[Okuno]]></surname>
<given-names><![CDATA[Tsuyoshi]]></given-names>
</name>
<name>
<surname><![CDATA[Hayase]]></surname>
<given-names><![CDATA[Shuji]]></given-names>
</name>
<name>
<surname><![CDATA[Shena]]></surname>
<given-names><![CDATA[Qing]]></given-names>
</name>
</person-group>
<source><![CDATA[Thin Solid Films]]></source>
<year>2015</year>
<volume>590</volume>
<page-range>90-7</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>5</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Duque]]></surname>
<given-names><![CDATA[C.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Kasapoglu]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Sakirogluc]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Sari]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Sökmen]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
</person-group>
<source><![CDATA[Appl. Surf. Sci.]]></source>
<year>2011</year>
<volume>257</volume>
<page-range>2313-9</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>6</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Liang]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Xie]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
</person-group>
<source><![CDATA[Physica B]]></source>
<year>2015</year>
<volume>462</volume>
<page-range>15-7</page-range></nlm-citation>
</ref>
<ref id="B7">
<label>7</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vaseghi]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Rezaei]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Sajadi]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<source><![CDATA[Physica B]]></source>
<year>2015</year>
<volume>456</volume>
<page-range>171-5</page-range></nlm-citation>
</ref>
<ref id="B8">
<label>8</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Guo]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<source><![CDATA[Optik]]></source>
<year>2016</year>
<volume>127</volume>
<page-range>1590-4</page-range></nlm-citation>
</ref>
<ref id="B9">
<label>9</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Villamil]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<source><![CDATA[Physica E.]]></source>
<year>2010</year>
<volume>42</volume>
<page-range>2436-40</page-range></nlm-citation>
</ref>
<ref id="B10">
<label>10</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[Guanghui]]></given-names>
</name>
<name>
<surname><![CDATA[Guo]]></surname>
<given-names><![CDATA[Kangxian]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[Chao]]></given-names>
</name>
</person-group>
<source><![CDATA[Physica B]]></source>
<year>2012</year>
<volume>407</volume>
<page-range>2334-9</page-range></nlm-citation>
</ref>
<ref id="B11">
<label>11</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[Xuechao]]></given-names>
</name>
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[Chaojin]]></given-names>
</name>
<name>
<surname><![CDATA[Tang]]></surname>
<given-names><![CDATA[Yongxin]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[Bing]]></given-names>
</name>
</person-group>
<source><![CDATA[Physica E]]></source>
<year>2014</year>
<volume>56</volume>
<page-range>130-3</page-range></nlm-citation>
</ref>
<ref id="B12">
<label>12</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Khordad]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[J. opt]]></source>
<year>2013</year>
<volume>42</volume>
<page-range>83-91</page-range></nlm-citation>
</ref>
<ref id="B13">
<label>13</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gambhir]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Kumar]]></surname>
<given-names><![CDATA[Manoj]]></given-names>
</name>
<name>
<surname><![CDATA[Jha]]></surname>
<given-names><![CDATA[P.K.]]></given-names>
</name>
<name>
<surname><![CDATA[Mohan]]></surname>
<given-names><![CDATA[Man]]></given-names>
</name>
</person-group>
<source><![CDATA[Journal of Luminescence]]></source>
<year>2013</year>
<volume>143</volume>
<page-range>361-7</page-range></nlm-citation>
</ref>
<ref id="B14">
<label>14</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[Zhi-Hai]]></given-names>
</name>
<name>
<surname><![CDATA[Guo]]></surname>
<given-names><![CDATA[Kang-Xian]]></given-names>
</name>
<name>
<surname><![CDATA[Chen]]></surname>
<given-names><![CDATA[Bin]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[Rui-Zhen]]></given-names>
</name>
<name>
<surname><![CDATA[Kang]]></surname>
<given-names><![CDATA[Min-Wu]]></given-names>
</name>
</person-group>
<source><![CDATA[Physica B]]></source>
<year>2009</year>
<volume>404</volume>
<page-range>2332-5</page-range></nlm-citation>
</ref>
<ref id="B15">
<label>15</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[Zhi-Hai]]></given-names>
</name>
<name>
<surname><![CDATA[Guo]]></surname>
<given-names><![CDATA[Kang-Xian]]></given-names>
</name>
<name>
<surname><![CDATA[Chen]]></surname>
<given-names><![CDATA[Bin]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[Rui-Zhen]]></given-names>
</name>
<name>
<surname><![CDATA[Kang]]></surname>
<given-names><![CDATA[Min-Wu]]></given-names>
</name>
<name>
<surname><![CDATA[Shao]]></surname>
<given-names><![CDATA[Shuai]]></given-names>
</name>
</person-group>
<source><![CDATA[Superlattices and Microstructures]]></source>
<year>2010</year>
<volume>47</volume>
<page-range>325-34</page-range></nlm-citation>
</ref>
<ref id="B16">
<label>16</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[He]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[S.H.]]></given-names>
</name>
</person-group>
<source><![CDATA[Physics of nonlinear optics]]></source>
<year>1999</year>
<page-range>91-115</page-range><publisher-loc><![CDATA[Singapore; River Edge, NJ ]]></publisher-loc>
<publisher-name><![CDATA[World Scientific]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B17">
<label>17</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bas]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Handbook of Optics: Volume IV - Optical Properties of Materials, Nonlinear Optics, Quantum Optics]]></source>
<year>2010</year>
<edition>Third</edition>
<page-range>16.1-16.35</page-range><publisher-name><![CDATA[McGraw-Hill Professional]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B18">
<label>18</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ahn]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Chuang]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<source><![CDATA[IEEE Journal of Quantum Electronics]]></source>
<year>1987</year>
<volume>23</volume>
<page-range>2196-204</page-range></nlm-citation>
</ref>
<ref id="B19">
<label>19</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kuhn]]></surname>
<given-names><![CDATA[K.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Iyengar]]></surname>
<given-names><![CDATA[G.U.]]></given-names>
</name>
<name>
<surname><![CDATA[Yee]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<source><![CDATA[J. Appl. Phys.]]></source>
<year>1991</year>
<volume>70</volume>
<page-range>5010-7</page-range></nlm-citation>
</ref>
<ref id="B20">
<label>20</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Guo]]></surname>
<given-names><![CDATA[Q.]]></given-names>
</name>
<name>
<surname><![CDATA[Guo]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<source><![CDATA[Chinese Journal of Physics]]></source>
<year>2003</year>
<volume>41</volume>
<page-range>296-306</page-range></nlm-citation>
</ref>
<ref id="B21">
<label>21</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kasapoglu]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Duque]]></surname>
<given-names><![CDATA[C.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Mora-Ramos]]></surname>
<given-names><![CDATA[M.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Sökmen]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
</person-group>
<source><![CDATA[Physica B]]></source>
<year>2015</year>
<volume>474</volume>
<page-range>15-20</page-range></nlm-citation>
</ref>
<ref id="B22">
<label>22</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Guo]]></surname>
<given-names><![CDATA[Kangxian]]></given-names>
</name>
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[Guanghui]]></given-names>
</name>
<name>
<surname><![CDATA[Huang]]></surname>
<given-names><![CDATA[Lu]]></given-names>
</name>
<name>
<surname><![CDATA[Zheng]]></surname>
<given-names><![CDATA[Xianyi]]></given-names>
</name>
</person-group>
<source><![CDATA[Optical Materials]]></source>
<year>2015</year>
<volume>46</volume>
<page-range>361-5</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
