<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="static/style.xsl"?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-05-05T19:36:01Z</responseDate><request verb="GetRecord" identifier="oai:uvadoc.uva.es:10324/33584" metadataPrefix="dim">https://uvadoc.uva.es/oai/request</request><GetRecord><record><header><identifier>oai:uvadoc.uva.es:10324/33584</identifier><datestamp>2021-06-24T07:21:24Z</datestamp><setSpec>com_10324_22154</setSpec><setSpec>com_10324_954</setSpec><setSpec>com_10324_894</setSpec><setSpec>col_10324_22155</setSpec></header><metadata><dim:dim xmlns:dim="http://www.dspace.org/xmlns/dspace/dim" xmlns:doc="http://www.lyncode.com/xoai" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.dspace.org/xmlns/dspace/dim http://www.dspace.org/schema/dim.xsd">
<dim:field mdschema="dc" element="contributor" qualifier="author" authority="de0f1e1891030a8b" confidence="500" orcid_id="0000-0001-8860-990X">Gadella Urquiza, Manuel</dim:field>
<dim:field mdschema="dc" element="contributor" qualifier="author" authority="1769f5bb-e690-4e4c-8354-01177ad10e9e" confidence="500" orcid_id="">Lara, Luis</dim:field>
<dim:field mdschema="dc" element="date" qualifier="accessioned">2018-12-19T13:52:28Z</dim:field>
<dim:field mdschema="dc" element="date" qualifier="issued">2018</dim:field>
<dim:field mdschema="dc" element="identifier" qualifier="citation" lang="es">International Journal of Modern Physics C, 2018, vol. 29, n. 8, 1850067</dim:field>
<dim:field mdschema="dc" element="identifier" qualifier="issn" lang="es">0129-1831</dim:field>
<dim:field mdschema="dc" element="identifier" qualifier="uri">http://uvadoc.uva.es/handle/10324/33584</dim:field>
<dim:field mdschema="dc" element="identifier" qualifier="doi" lang="es">10.1142/S0129183118500675</dim:field>
<dim:field mdschema="dc" element="description" lang="es">Producción Científica</dim:field>
<dim:field mdschema="dc" element="description" qualifier="abstract" lang="es">In this paper, we discuss a method based on a segmentary approximation of solutions of the Schrödinger equation by quadratic splines, for which the coefficients are determined by a variational method that does not require the resolution of complicated algebraic equations. The idea is the application of the method to one-dimensional periodic potentials. We include the determination of the eigenvalues up to a given level, and therefore an approximation to the lowest energy bands. We apply the method to concrete examples with interest in physics and discussed the numerical errors.</dim:field>
<dim:field mdschema="dc" element="description" qualifier="embargo" lang="es">2019-08-03</dim:field>
<dim:field mdschema="dc" element="description" qualifier="lift">2019-08-03</dim:field>
<dim:field mdschema="dc" element="description" qualifier="project" lang="es">Ministerio de Economía, Industria y Competitividad (project MTM2014-57129)</dim:field>
<dim:field mdschema="dc" element="description" qualifier="project" lang="es">Junta de Castilla y León (programa de apoyo a proyectos de investigación - Ref. VA057U16)</dim:field>
<dim:field mdschema="dc" element="format" qualifier="mimetype" lang="es">application/pdf</dim:field>
<dim:field mdschema="dc" element="language" qualifier="iso" lang="es">eng</dim:field>
<dim:field mdschema="dc" element="publisher" lang="es">World Scientific Publishing</dim:field>
<dim:field mdschema="dc" element="rights" qualifier="accessRights" lang="es">info:eu-repo/semantics/openAccess</dim:field>
<dim:field mdschema="dc" element="rights" qualifier="holder" lang="es">© 2018 World Scientific Publishing</dim:field>
<dim:field mdschema="dc" element="title" lang="es">A study of periodic potentials based on quadratic splines</dim:field>
<dim:field mdschema="dc" element="type" lang="es">info:eu-repo/semantics/article</dim:field>
<dim:field mdschema="dc" element="relation" qualifier="publisherversion" lang="es">https://www.worldscientific.com/doi/10.1142/S0129183118500675</dim:field>
<dim:field mdschema="dc" element="peerreviewed" lang="es">SI</dim:field>
</dim:dim></metadata></record></GetRecord></OAI-PMH>