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  Graviton and virtual photons

  • Posted by Hossein Javadi
  • August 7, 2015
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  • 4,001 views

   Abstract:
  In quantum electrodynamics (QED) a charged particle emits exchange force particles continuously. This process has no effect on the properties of a charged particle such as its mass and charge. How is it explainable? If a charged partic...
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  Graviton and cosmology equations, before the Big Bang

  • Posted by Hossein Javadi
  • August 7, 2015
  • 0 comments
  • 1 endorse
  • 3,949 views

  Abstract:
  For long time seemed the Friedmann equation is able to explain universe, but in recent years, the cosmological constant was of interest to cosmologists. However, these two equations are unable to explain before the Big Bang. Thus this paper,...
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  Graviton: Virtual photon and Quantum Chromodynamics

  • Posted by Hossein Javadi
  • August 7, 2015
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  • 4,309 views

  Abstract:
  The strong interaction or strong force is today understood to represent the interactions between quarks and gluons as detailed by the theory of quantum chromodynamics (QCD). The strong force is the fundamental force mediated by gluons, actin...
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  Modern physics; problems and solutions

  • Posted by Hossein Javadi
  • August 7, 2015
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  • 4,189 views

  Some of the major unsolved problems in physics are theoretical, meaning that existing theories seem incapable of explaining a certain observed phenomenon or experimental result. The others are experimental, meaning that there is a difficulty in creating...  moreSome of the major unsolved problems in physics are theoretical, meaning that existing theories seem incapable of explaining a certain observed phenomenon or experimental result. The others are experimental, meaning that there is a difficulty in creating an experiment to test a proposed theory or investigate a phenomenon in greater detail. Can quantum mechanics and general relativity be realized as a fully consistent theory (perhaps as a quantum field theory)? [1] Is space-time fundamentally continuous or discrete? Would a consistent theory involve a force mediated by a hypothetical graviton, or be a product of a discrete structure of space-time itself (as in loop quantum gravity)? Are there deviations from the predictions of general relativity at very small or very large scales or in other extreme circumstances that flow from a quantum gravity theory? [2]
  
  In general, there are some unanswered questions or complex concepts in modern physics. These issues are divided into two categories:
  
  A: The...    less
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  Unified Force, Energy and Mass

  • Posted by Hossein Javadi
  • August 7, 2015
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  • 4,131 views

  Abstract:For Newton, the force of gravity was merely a function of masses and the distance between them. Maxwell unified electric and magnetic fields into a symmetric coherent set of equations known as Maxwell's equations. For Einstein, gravity was cau...