2016MNRAS.458.1785Y


Query : 2016MNRAS.458.1785Y

2016MNRAS.458.1785Y - Mon. Not. R. Astron. Soc., 458, 1785-1802 (2016/May-2)

Electromagnetic field and cylindrical compact objects in modified gravity.

YOUSAF Z. and BHATTI M.Z.U.H.

Abstract (from CDS):

In this paper, we have investigated the role of different fluid parameters particularly electromagnetic field and f(R) corrections on the evolution of cylindrical compact object. We have explored the modified field equations, kinematical quantities and dynamical equations. An expression for the mass function has been found in comparison with the Misner-Sharp formalism in modified gravity, after which different mass-radius diagrams are drawn. The coupled dynamical transport equation have been formulated to discuss the role of thermoinertial effects on the inertial mass density of the cylindrical relativistic interior. Finally, we have presented a framework, according to which all possible solutions of the metric f(R)-Maxwell field equations coupled with static fluid can be written through set of scalar functions. It is found that modified gravity induced by Lagrangians f(R)=αR2, f(R)=αR2 - βR and are likely to host more massive cylindrical compact objects with smaller radii as compared to general relativity.

Abstract Copyright: © 2016 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society

Journal keyword(s): black hole physics - gravitation - hydrodynamics - methods: analytical

CDS comments: © 2016 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society

Simbad objects: 6

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Number of rows : 6
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026
#notes
1 PSR B0943+10 Psr 09 46 07.31 +09 51 57.3           ~ 364 1
2 V* HZ Her LXB 16 57 49.8110126616 +35 20 32.486555472 11.90 14.89 13.63 13.88   B3/6ep 2172 0
3 NAME Slow Burster LXB 17 31 58.0 -33 49 58     15.50     ~ 865 1
4 SAX J1808.4-3658 LXB 18 08 27.58 -36 58 43.9           ~ 1051 0
5 X Sgr X-4 LXB 18 23 40.57 -30 21 40.6   19.06 18.81     ~ 1056 1
6 RX J1856.6-3754 Psr 18 56 35.11 -37 54 30.5     25.7     ~ 456 0

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