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Magneto-gravitational Coupling and the Missing Mass Problem in Galactic Dynamics

Magneto-gravitational Coupling and the Missing Mass Problem in Galactic Dynamics


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About the Book

In this book, rotation dynamics of galaxies is described using coupled field equations for the gravitational and electromagnetic fields. Relativistic frame-dragging effect is one of the consequences predicted by the general theory of relativity for rotating masses. However, except for strong gravitational sources, the spacetime dragging is too weak to produce significant modifications around rotating astrophysical systems. Here it is shown that, in the case of gravitational and magnetic field coupling, the effects of magnetic field energy density are enhanced. An outward dragging caused by the coupled effect of the magnetic field and the background spacetime can produce significant increase in the rotational velocities of galaxies. This has important implications for the missing mass problem in galactic dynamics. Other consequences of the magneto-gravitational coupling, such as galactic size, age, and the luminosity-mass relation, consolidate the model of galactic dynamics.

About the Author :
Dr Babur M. Mirza is a mathematical physicist working in the subjects of mathematical astronomy, astrophysics, field theory, nonlinear differential equations, and gravitation theory. He has supervised research over many years, and has acted as an editor and reviewer at various international journals. He earned his PhD in 2007 and is currently a researcher and teacher, at Quaid-i-Azam University, Islamabad, Pakistan.


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Product Details
  • ISBN-13: 9781527551725
  • Publisher: Cambridge Scholars Publishing
  • Publisher Imprint: Cambridge Scholars Publishing
  • Edition: Unabridged edition
  • Language: English
  • Width: 148 mm
  • ISBN-10: 1527551725
  • Publisher Date: 16 Oct 2023
  • Binding: Hardback
  • Height: 212 mm
  • No of Pages: 115


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