Electromagnetic effects on dynamics of string fluid and information paradox in rainbow gravity. (English) Zbl 1496.83037
Summary: This work is devoted to studying the effects of electric field intensity on collapsing anisotropic string fluid in Rainbow gravity. The Einstein field equations are modified and solved for the spherical symmetric spacetime. The physical parameters of fluid including energy density, pressure and string tension are obtained. Moreover, the time and radius of formation of the apparent horizon are estimated. All these quantities depend on the fluid’s electric intensity. The graphical analysis of the physical existence of dynamical quantities depending on the energy of the probing particle is presented. It is found that the presence of an electric field decreases the mass density and increases fluid’s pressure. The electric field increases the time and radius of apparent horizon formation resulting in slowing down the collapsing process.
MSC:
| 83D05 | Relativistic gravitational theories other than Einstein’s, including asymmetric field theories |
| 83C55 | Macroscopic interaction of the gravitational field with matter (hydrodynamics, etc.) |
| 83C50 | Electromagnetic fields in general relativity and gravitational theory |
| 14M27 | Compactifications; symmetric and spherical varieties |
| 47A10 | Spectrum, resolvent |
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