World Journal of Applied Physics

Archive

Volume 3, Issue 2, June 2018

  • Specific Heat and Entropy of a Three Electron Model in Bismuth Based Cuprate Superconductor

    Odhiambo Oloo Jared, Makokha John Wanjala

    Issue: Volume 3, Issue 2, June 2018
    Pages: 19-24
    Received: 27 March 2018
    Accepted: 2 May 2018
    Published: 11 June 2018
    DOI: 10.11648/j.wjap.20180302.11
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    Abstract: A theoretical study considering Bi2201, Bi2212 and Bi2223 bismuth based cuprates whose critical Temperatures (TC) are 20K, 95K and 110K with one, two and three CuO2 planes respectively; based on a three electron model in Bismuth based cuprates oxide shows that there is a direct correlation between energy of interaction and the number of CuO2 planes... Show More
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  • Lie symmetry Analysis and Invariant Solutions for Multiregion Neutron Diffusion Equation

    Rakotondravanona Jean Eric, Raboanary Roland

    Issue: Volume 3, Issue 2, June 2018
    Pages: 25-33
    Received: 19 May 2018
    Accepted: 6 June 2018
    Published: 7 July 2018
    DOI: 10.11648/j.wjap.20180302.12
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    Abstract: In this paper, an approach of determining analytical solutions of the mono-kinetic multiregion neutron diffusion equation from two-dimensional Cartesian geometry is presented. The technical approach is based on the Lie symmetry group for partial differential equation. The local symmetry groups to the one-parameter transformation are obtained. The i... Show More
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  • Chaotic Dynamics of an Extended Duffing Oscillator Under Periodic Excitation

    Hervé Lucas Koudahoun, Yélomè Judicaël Fernando Kpomahou, Jean Akande, Damien Kêgnidé Kolawolé Adjaï

    Issue: Volume 3, Issue 2, June 2018
    Pages: 34-50
    Received: 29 June 2018
    Accepted: 12 July 2018
    Published: 6 August 2018
    DOI: 10.11648/j.wjap.20180302.13
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    Abstract: In this paper, chaotic dynamics of a cubic-quintic-septic Duffing oscillator subjected to periodic excitation is investigated. The multiple scales method is used to determine the various resonance states of the model. It is found that the considered model posses thirteen resonance states whose seven are thoroughly studied. The steady-state solution... Show More
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