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Journal Cover International Journal of Physical Sciences
  [SJR: 0.15]   [H-I: 17]   [0 followers]  Follow
    
  This is an Open Access Journal Open Access journal
   ISSN (Print) 1992-1950
   Published by Academic Journals Homepage  [108 journals]
  • Matter-antimatter models in cosmic and biologic systems

    • Abstract: The leading theories suggest that in the first fractions of the second following the Big Bang, equal amounts of matter and antimatter were formed, and annihilated. Therefore, theasymmetry of matter and antimatter, and formation of the visible universeis one of the major unsolved problems in physics. Surprisingly, when the major characteristics of the cosmic matter- antimatter interactions, w...
      PubDate: Thu, 16 Jun 2016 00:00:00 +010
       
  • Determination of the characteristic parameters for the modified
           Bessel-Gauss beams

    • Abstract: Some characteristic parameters of the Bessel- Gaussian beam were determined theoretically by direct analytical calculations. Variation of the final beam radius () with the starting beam radius (o) was studied. The Rayleigh range of a Bessel-Gauss beam was calculated for each value of the minimum starting beam radius. The beam wavefront radius of curvature (R) was calculated as a function of ...
      PubDate: Thu, 16 Jun 2016 00:00:00 +010
       
  • Direct method for solving nonlinear strain wave equation in microstructure
           solids

    • Abstract: The modeling of wave propagation in microstructure materials should be able to account for the various scales of microstructure. In this paper, the extended trial equation method was modified to construct the traveling wave solutions of the strain wave equation in microstructure solid. Some new different kinds of traveling wave solutions was gotten as, hyperbolic functions, trigonometric fun...
      PubDate: Mon, 30 May 2016 00:00:00 +010
       
  • Solar flare effects (SFE) on geomagnetic fields across latitudes

    • Abstract: A comprehensive study of Solar Flare Effects (SFE) across latitudes has been carried out using an extensive data set of two geomagnetic elements H and Z selected from 1997 to 2005. The X (intense) and M (medium) solar flares were examined under quiet conditions. Nine stations extending from equatorial to high latitudes were used in the study. Data employed in this work include minute data of...
      PubDate: Mon, 16 May 2016 00:00:00 +010
       
  • Slip flow of a second grade fluid past a lubricated rotating disc

    • Abstract: Slip flow of a second-grade fluid past a lubricated rotating disc is studied. The disc is lubricated with a power-law fluid. The interfacial conditions between fluid and lubricant are imposed on the surface of disc by assuming a thin lubrication layer. The numerical solutions are obtained using Keller-Box method. The effects of slip parameter and Weissenberg number on the three components of...
      PubDate: Sat, 30 Apr 2016 00:00:00 +010
       
  • Purity-performance relationship of anthocyanidins as sensitizer in
           dye-sensitized solar cells

    • Abstract: A comparative analysis between crude and purified extracts obtained from withered leaves of Terminalia catappa (T. catappa) and pure compounds of anthocyanidins as organic sensitizers in solar cells. The chemical and electronic properties of the extracts and the pure anthocyanidins were examined using spectroscopic studies: ultraviolet (UV), Fourier transform infrared (FT-IR) and gas chromat...
      PubDate: Sat, 30 Apr 2016 00:00:00 +010
       
  • Analysis of elastic scattering data below, atop and above the delta
           resonance using inverse scattering theory

    • Abstract: The simple local optical potential adopted in analyzing successfully elastic scattering data in the delta resonance region has been emphasized here. This is based on obtaining the same nature for the potential by extracting potential points from available phase shifts at 114, 163, 240 and 340 MeV using inverse scattering theory within the framework of Klein-Gordon equation. Luckily, and as e...
      PubDate: Sat, 16 Apr 2016 00:00:00 +010
       
  • Dielectric study of calcium doped barium titanate Ba1-xCaxTiO3 ceramics

    • Abstract: Calcium doping effect on the ferroelectric properties of Ba1-xCaxTiO3: BCTx (x = 0.01, 0.05, 0.1) ceramic material prepared via the sol-gel process was studied. X-ray diffraction (XRD) showed that the powders of calcined BCTx at 900C crystallize in a pure phase of perovskite type without secondary phases. Microstructural morphology was analyzed by Scanning Electronic Microscopy (SEM). Dielec...
      PubDate: Wed, 30 Mar 2016 00:00:00 +010
       
  • A new solitary wave solution of the perturbed nonlinear Schrodinger
           equation using a Riccati-Bernoulli Sub-ODE method

    • Abstract: The Riccati-Bernoulli Sub-ODE method is used for the first time to investigate exact wave solution of the perturbed nonlinear Schrodinger equation with Kerr law non linearity which describes the propagation of optical solitons in nonlinear optical fibers that exhibits a Kerr law non linearity. An infinite sequence of exact solutions can be obtained according to Backlund transformation. The p...
      PubDate: Wed, 30 Mar 2016 00:00:00 +010
       
  • Space charge kinetic treatment in Langmuir probes with cylindrical
           geometry

    • Abstract: In this paper, an analysis of the space charge build up in the interelectrodic region of a velocity analyzer with cylindrical symmetry is performed using kinetic theory. Thus the present treatment includes temperature effects. Azimuth symmetry is also assumed. A detailed and comparative analysis, between planar and cylindrical electrodes, is carried out, showing the advantages of each kind o...
      PubDate: Wed, 16 Mar 2016 00:00:00 +010
       
 
 
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