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Publisher: Science and Education Publishing   (Total: 72 journals)   [Sort by number of followers]

Showing 1 - 72 of 72 Journals sorted alphabetically
American J. of Applied Mathematics and Statistics     Open Access   (Followers: 10)
American J. of Applied Psychology     Open Access   (Followers: 46)
American J. of Biomedical Research     Open Access   (Followers: 2)
American J. of Cancer Prevention     Open Access   (Followers: 11)
American J. of Civil Engineering and Architecture     Open Access   (Followers: 36)
American J. of Clinical Medicine Research     Open Access   (Followers: 7)
American J. of Educational Research     Open Access   (Followers: 64)
American J. of Electrical and Electronic Engineering     Open Access   (Followers: 24)
American J. of Energy Research     Open Access   (Followers: 11)
American J. of Environmental Protection     Open Access   (Followers: 8)
American J. of Epidemiology and Infectious Disease     Open Access   (Followers: 19)
American J. of Food and Nutrition     Open Access   (Followers: 50)
American J. of Food Science and Technology     Open Access   (Followers: 9)
American J. of Infectious Diseases and Microbiology     Open Access   (Followers: 27)
American J. of Information Systems     Open Access   (Followers: 6)
American J. of Materials Engineering and Technology     Open Access   (Followers: 4)
American J. of Materials Science and Engineering     Open Access   (Followers: 6)
American J. of Mathematical Analysis     Open Access  
American J. of Mechanical Engineering     Open Access   (Followers: 43)
American J. of Medical and Biological Research     Open Access   (Followers: 8)
American J. of Medical Case Reports     Open Access   (Followers: 1)
American J. of Medical Sciences and Medicine     Open Access   (Followers: 4)
American J. of Medicine Studies     Open Access   (Followers: 1)
American J. of Microbiological Research     Open Access   (Followers: 3)
American J. of Modeling and Optimization     Open Access   (Followers: 1)
American J. of Nanomaterials     Open Access   (Followers: 7)
American J. of Numerical Analysis     Open Access   (Followers: 3)
American J. of Pharmacological Sciences     Open Access   (Followers: 2)
American J. of Public Health Research     Open Access   (Followers: 28)
American J. of Rural Development     Open Access   (Followers: 5)
American J. of Sensor Technology     Open Access   (Followers: 4)
American J. of Sports Science and Medicine     Open Access   (Followers: 32)
American J. of Water Resources     Open Access   (Followers: 7)
American J. of Zoological Research     Open Access   (Followers: 1)
Applied Ecology and Environmental Sciences     Open Access   (Followers: 22)
Automatic Control and Information Sciences     Open Access   (Followers: 3)
Biomedical Science and Engineering     Open Access   (Followers: 4)
Chemical Engineering and Science     Open Access   (Followers: 31)
Intl. J. of Celiac Disease     Open Access   (Followers: 3)
Intl. J. of Dental Sciences and Research     Open Access   (Followers: 1)
Intl. J. of Econometrics and Financial Management     Open Access   (Followers: 4)
Intl. J. of Physics     Open Access   (Followers: 11)
Intl. Transaction of Electrical and Computer Engineers System     Open Access   (Followers: 2)
J. of Automation and Control     Open Access   (Followers: 8)
J. of Biomedical Engineering and Technology     Open Access  
J. of Business and Management Sciences     Open Access   (Followers: 1)
J. of Cancer Research and Treatment     Open Access   (Followers: 4)
J. of Computer Networks     Open Access   (Followers: 7)
J. of Computer Sciences and Applications     Open Access  
J. of Environment Pollution and Human Health     Open Access   (Followers: 4)
J. of Finance and Accounting     Open Access   (Followers: 7)
J. of Finance and Economics     Open Access   (Followers: 12)
J. of Food and Nutrition Research     Open Access   (Followers: 8)
J. of Food Security     Open Access   (Followers: 5)
J. of Geosciences and Geomatics     Open Access   (Followers: 1)
J. of Materials Physics and Chemistry     Open Access   (Followers: 4)
J. of Mathematical Sciences and Applications     Open Access   (Followers: 2)
J. of Optoelectronics Engineering     Open Access   (Followers: 4)
J. of Polymer and Biopolymer Physics Chemistry     Open Access   (Followers: 8)
Materials Science and Metallurgy Engineering     Open Access   (Followers: 6)
Nanoscience and Nanotechnology Research     Open Access   (Followers: 20)
Physics and Materials Chemistry     Open Access   (Followers: 2)
Research in Plant Sciences     Open Access   (Followers: 1)
Research in Psychology and Behavioral Sciences     Open Access   (Followers: 3)
Sustainable Energy     Open Access   (Followers: 3)
Turkish J. of Analysis and Number Theory     Open Access   (Followers: 1)
Wireless and Mobile Technologies     Open Access   (Followers: 6)
World J. of Agricultural Research     Open Access   (Followers: 2)
World J. of Analytical Chemistry     Open Access   (Followers: 4)
World J. of Chemical Education     Open Access   (Followers: 4)
World J. of Environmental Engineering     Open Access   (Followers: 3)
World J. of Organic Chemistry     Open Access   (Followers: 7)
Similar Journals
Journal Cover
International Journal of Physics
Number of Followers: 11  

  This is an Open Access Journal Open Access journal
ISSN (Print) 2333-4568 - ISSN (Online) 2333-4576
Published by Science and Education Publishing Homepage  [72 journals]
  • Explicit Matrix Representation for the Hamiltonian of the One Dimensional
           Spin 1/2 Ising Model in Mutually Orthogonal External Magnetic Fields

    • Authors: Kunle Adegoke; Henry Otobrise, Tolulope Famoroti, Adenike Olatinwo, Funmi Akintujoye, Afees Tiamiyu
      Pages: 6 - 15
      Abstract: We derive an explicit matrix representation for the Hamiltonian of the Ising model in mutually orthogonal external magnetic fields, using as basis the eigenstates of a system of non-interacting spin 1/2 particles in external magnetic fields. We subsequently apply our results to obtain an analytical expression for the ground state energy per spin, to the fourth order in the exchange integral, for the Ising model in perpendicular external fields.
      PubDate: 2019-01-18
      DOI: 10.12691/ijp-7-1-2
      Issue No: Vol. 7, No. 1 (2019)
       
  • A Combined Cosmological and Gravitational Redshift Supports
           Electron-Positron Annihilation as the Most Likely Energy Source of the CMB
           

    • Authors: Jarl-Thure Eriksson
      Pages: 16 - 20
      Abstract: A study based on a new formulation of the Friedmann-Lemaître-Robertson-Walker equation has led to an alternative scenario for the evolving universe. Further, a theory which replaces the cosmological constant with the momentum pressure of emerging matter has been developed. The set of equations is called the CBU model (Continuously Breeding Universe). The model offers a tool to investigate the present state of the universe. It is assumed that expansion is caused by the continuous addition of matter, due to, say, electron-positron fluctuations. As a feature of the model the gravitational constant G is inversely proportional to the scale factor a. A gravitational uphill for light coming from distant galaxies causes a redshift far more dominant than the cosmological redshift. However, the influence is small in the nearby space of the Milky Way. The combined redshift provides the time of the CMB maximum. The redshift is zCMB = 1,54·109 for a scale factor of aCMB = 2,55·10-5. According to the CBU theory the time as measured from the initial event, i.e. the birth of the universe, is 389.000 years, surprisingly close to the Standard model value of 380.000 years. The combined redshift zCMB corresponds precisely to the frequency 160,23 GHz and the energy of the two photons emerging from a positron-electron annihilation, 1,63742·10-13 J.
      PubDate: 2019-01-29
      DOI: 10.12691/ijp-7-1-3
      Issue No: Vol. 7, No. 1 (2019)
       
 
 
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