1 Ocak 2016 Dergi makalesi Açık Erişim

Anghel, Dragos-Victor; Nemnes, George Alexandru

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  <identifier identifierType="URL">https://aperta.ulakbim.gov.tr/record/60613</identifier>
  <creators>
    <creator>
      <creatorName>Anghel, Dragos-Victor</creatorName>
      <givenName>Dragos-Victor</givenName>
      <familyName>Anghel</familyName>
      <affiliation>Horia Hulubei Natl Inst Phys &amp; Nucl Engn, POB MG-6, Magurele 077126, Ilfov, Romania</affiliation>
    </creator>
    <creator>
      <creatorName>Nemnes, George Alexandru</creatorName>
      <givenName>George Alexandru</givenName>
      <familyName>Nemnes</familyName>
      <affiliation>Univ Bucharest, Fac Phys, Mat &amp; Devices Elect &amp; Optoelect Res Ctr, Magurele Ilfov 077125, Romania</affiliation>
    </creator>
  </creators>
  <titles>
    <title>The Role Of The Chemical Potential In The Bcs Theory</title>
  </titles>
  <publisher>Aperta</publisher>
  <publicationYear>2016</publicationYear>
  <dates>
    <date dateType="Issued">2016-01-01</date>
  </dates>
  <resourceType resourceTypeGeneral="Text">Journal article</resourceType>
  <alternateIdentifiers>
    <alternateIdentifier alternateIdentifierType="url">https://aperta.ulakbim.gov.tr/record/60613</alternateIdentifier>
  </alternateIdentifiers>
  <relatedIdentifiers>
    <relatedIdentifier relatedIdentifierType="DOI" relationType="IsIdenticalTo">10.1016/j.physa.2016.07.070</relatedIdentifier>
  </relatedIdentifiers>
  <rightsList>
    <rights rightsURI="http://www.opendefinition.org/licenses/cc-by">Creative Commons Attribution</rights>
    <rights rightsURI="info:eu-repo/semantics/openAccess">Open Access</rights>
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  <descriptions>
    <description descriptionType="Abstract">We study the effect of the chemical potential on the results of the BCS theory of superconductivity. We assume that the pairing interaction is manifested between electrons of single-particle energies in an interval [mu - h omega(c), mu + h omega(c)], where mu and omega(c) are parameters of the model-mu, need not be equal to the chemical potential of the system, denoted here by mu(R). The BCS results are recovered if mu = mu(R). If mu not equal mu(R) the physical properties change significantly: the energy gap Delta is smaller than the BCS gap, a population imbalance appears, and the superconductor-normal metal phase transition is of the first order. The quasiparticle imbalance is an equilibrium property that appears due to the asymmetry with respect to mu(R) of the single-particle energy interval in which the pairing potential is manifested.</description>
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