Can Aktaş

Magnetized quark and strange quark matter in the spherical symmetric space–time admitting conformal motion

In this paper, we have examined magnetized quark and strange quark matter in the spherical symmetric space–time admitting one-parameter group of conformal motions. For this purpose, we have solved Einstein’s field equations for spherical symmetric space–time via conformal motions. Also, we have discussed the features of the obtained solutions.

Space-Time Geometry of Quark and Strange Quark Matter

We study quark and strange quark matter in the context of general relativity. For this purpose, we solve Einsteins field equations for quark and strange quark matter in spherical symmetric space-times. We analyze strange quark matter for the different equations of state (EOS) in the spherical symmetric space-times, thus we are able to obtain the space-time geometries of quark and strange quark matter. Also, we discuss the features of the obtained solutions. The obtained solutions are consistent with the results of Brookhaven Laboratory, i.e. the quark-gluon plasma has a vanishing shear (i.e. quark-gluon plasma is perfect).

Scalar Field Cosmology in f(R,T) Gravity with Λ

We study the behavior of cosmological parameters, massive and massless scalar fields (normal or phantom) with a scalar potential in f(R, T) theory of gravity for a flat Friedmann-Robertson-Walker (FRW) universe. To get exact solutions to the modified field equations, we use the f(R, T) = R + 2f(T) model by Harko et al. (T. Harko et al., Phys. Rev. D 84, 024020 (2011)), where R is the Ricci scalar and T is the trace of the energy momentum tensor. Our cosmological parameter solutions agree with the recent observational data. Finally, we discuss our results with various graphics.

Domain Wall Solutions With Quark Matter In Higher Dimensional Space‐Times

In this paper, we have examined quark matter in the perfect form attached to domain walls in the higher dimensional spherical symmetric space‐time admitting one‐parameter group of conformal motions. For this purpose, we have solved Einstein’s field equations for higher dimensional spherical symmetric space‐time via conformal motions. Also, we have discussed the features of the obtained solutions.