<?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>S0035-001X2022000500005</article-id>
<article-id pub-id-type="doi">10.31349/revmexfis.68.050504</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Hydrogenic impurity effect on optical properties of Wannier-Mott exciton confined in a spherical quantum dot with Kratzer potential under magnetic field]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Varsha]]></surname>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Giri]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Arora]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Prasad]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,University of Delhi Department of Physics and Astrophysics ]]></institution>
<addr-line><![CDATA[Delhi ]]></addr-line>
<country>India</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,University of Delhi Kalindi College Department of Physics]]></institution>
<addr-line><![CDATA[Delhi ]]></addr-line>
<country>India</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,University of Delhi Rajdhani College Department of Physics and Electronics]]></institution>
<addr-line><![CDATA[Delhi ]]></addr-line>
<country>India</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,University of Delhi Miranda House Department of Mathematics]]></institution>
<addr-line><![CDATA[Delhi ]]></addr-line>
<country>India</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,University of Delhi Swami Shraddhanand College Department of Physics]]></institution>
<addr-line><![CDATA[Delhi ]]></addr-line>
<country>India</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>10</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>10</month>
<year>2022</year>
</pub-date>
<volume>68</volume>
<numero>5</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0035-001X2022000500005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0035-001X2022000500005&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0035-001X2022000500005&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Confinement effects of Kratzer potential on a Wannier-Mott Exciton(W-M) are studied in a spherical quantum dot(QD) in the presence of a static magnetic field. Time independent Schrödinger equation is solved numerically to obtain the energy states. The excitonic transitions so realized have been used to explore the non-linear optical properties that are important for optical characterization of materials such as the optical absorption coefficients (ACs) and refractive index changes (RICs). Impact of magnetic field, strength of the laser field and transition parameters using familiar compact density matrix approach are also analyzed. It has been observed that optical properties get radically modified under confinement effects. Also, the shift of degeneracy of different excitonic energy levels with the magnetic field in confinement potential has been reported for the first time for W-M exciton in the spherical quantum dot, the study that may have crucial input to the literature and myriad of practical implications.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Wannier-Mott exciton]]></kwd>
<kwd lng="en"><![CDATA[quantum dot]]></kwd>
<kwd lng="en"><![CDATA[magnetic field]]></kwd>
<kwd lng="en"><![CDATA[linear and non-linear optical absorption coefficients]]></kwd>
<kwd lng="en"><![CDATA[refractive index changes]]></kwd>
</kwd-group>
</article-meta>
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