80 citations · 560 across the 64 of their papers we have counts for
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On the Maximum Energy Release from Formation of Static Compact Objects
A. Mitra, K. K. Singh
Type II Supernova 1987A (SN 1987A), observed in 1987, released an energy of \mbox{ erg}}. This huge energy is essentially the magnitude of gravitational…
How to distinguish an actual astrophysical magnetized black hole mimicker from a true (theoretical) black hole
A. Mitra, C. Corda, H. J. Mosquera Cuesta
We remind that the ring down features observed in the LIGO GWs resulted from trembling of photon spheres (Rp=3M) of newly formed compact objects and not from the trembling of their…
Einstein energy associated with the Friedmann -Robertson -Walker metric
Abhas Mitra
Following Einstein's definition of Lagrangian density and gravitational field energy density (Einstein, A., Ann. Phys. Lpz., 49, 806 (1916); Einstein, A., Phys. Z., 19, 115 (1918);…
Does Pressure Increase or Decrease Active Gravitational Mass Density?
Abhas Mitra
It is known that, for a static fluid sphere, the GeneralRelativistic (GR) Effective Mass Energy Density (EMD) appears to be (rho + 3 p), where rho is the bare mass density, p is th…
Why Gravitational Contraction Must be Accompanied by Emission of Radiation Both in Newtonian and Einstein Gravity
Abhas Mitra
By using virial theorem, Helmholtz and Kelvin showed that the contraction of a bound self-gravitating system must be accompanied by release of radiation energy irrespective of the…
Radiation Pressure Supported Stars in Einstein Gravity: Eternally Collapsing Objects
Abhas Mitra
Even when we consider Newtonian stars, i.e., stars with surface gravitational redshift, z<< 1, it is well known that, theoretically, it is possible to have stars, supported against…