American Journal of Physics and Applications

Archive

Volume 7, Issue 3, May 2019

  • Inhomogeneous Coherent States in Small-World Networks: Application to the Brain Networks

    Bahruz Gadjiev, Tatiana Progulova

    Issue: Volume 7, Issue 3, May 2019
    Pages: 68-72
    Received: 20 April 2019
    Accepted: 11 June 2019
    Published: 25 June 2019
    DOI: 10.11648/j.ajpa.20190703.12
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    Abstract: We study the dynamics of the processes in the small-world networks with a power-law degree distribution where every node is considered to be in one of the two available statuses. We present an algorithm for generation of such network and determine analytically a temporal dependence of the network nodes degrees and using the maximum entropy principl... Show More
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  • The Optics and Optimal Control Theory Interpretation of the Parametric Resonance

    Nikolay Nikolaevitch Schitov

    Issue: Volume 7, Issue 3, May 2019
    Pages: 73-83
    Received: 22 April 2019
    Accepted: 4 June 2019
    Published: 26 June 2019
    DOI: 10.11648/j.ajpa.20190703.13
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    Abstract: The aim of the article is the elaboration of parametric resonance theory at piecewise constant frequency modulation. The investigation is based on the analogy with optics and optimal control theory (OCT) application. The exact expressions of oscillation frequency, gain/damping coefficients, dependencies of these coefficients on the modulation depth... Show More
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  • Correlations of Heavy Quarks in Hot Deconfined Medium

    Xinyu Li, Xiaohan Eudora Song

    Issue: Volume 7, Issue 3, May 2019
    Pages: 84-88
    Received: 8 May 2019
    Accepted: 4 June 2019
    Published: 26 June 2019
    DOI: 10.11648/j.ajpa.20190703.14
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    Abstract: The early universe consists of bacis particles like quarks and gluons. Their interactions are controlled by strong interactions. In order to produce this new kind of matters, one can collide heavy ions. Large amount of energy will be transformed into particles. These particles form a matter with extremely high temperature. Usually this kind of matt... Show More
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  • Nuclear Alpha Decay in Field of Synchrotron Radiation

    Kopytin Igor Vasilievich

    Issue: Volume 7, Issue 3, May 2019
    Pages: 89-92
    Received: 11 April 2019
    Accepted: 10 May 2019
    Published: 4 July 2019
    DOI: 10.11648/j.ajpa.20190703.15
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    Abstract: We investigated before the possibility of modifying alpha decay rate by the influence of a laser radiation upon a nucleus. We showed that the laser radiation with the extreme achievable intensity slightly modifies the total rate of alpha decay. A different result may be probably obtained if it use synchrotron radiation for the irradiation of an alp... Show More
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