Compact stars in the pseudo-complex general relativity

In the present paper we study compact stars under the background of Einstein–Maxwell space–time, where the 4-dimensional spherically symmetric space–time of class 1 along with the Karmarkar condition has been adopted. The investigations, via the set of exact solutions, show several important results, such as (i) the value of density on the surface is finite; (ii) due to the presence of the electric field, the outer surface or the crust region can be considered to be made of electron cloud; (iii) the charge increases rapidly after crossing a certain cutoff region (r/R ≈ 0.3); and (iv) the avalanche of charge has a possible interaction with the particles that are away from the center. As the stellar structure supports all the physical tests performed on it, therefore the overall observation is that the model provides a physically viable and stable compact star.

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There are No Black Holes—Pseudo-Complex General Relativity

Springer Proceedings in Physics - 1st Karl Schwarzschild Meeting on Gravitational Physics ◽

10.1007/978-3-319-20046-0_4 ◽

2015 ◽

pp. 33-42

Author(s):

Walter Greiner ◽

Peter O. Hess ◽

Mirko Schäfer ◽

Thomas Schönenbach ◽

Gunther Caspar

Keyword(s):

Black Holes ◽

General Relativity ◽

Complex General Relativity

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FROM SPINOR GEOMETRY TO COMPLEX GENERAL RELATIVITY

International Journal of Geometric Methods in Modern Physics ◽

10.1142/s0219887805000752 ◽

2005 ◽

Vol 02 (04) ◽

pp. 675-731 ◽

Cited By ~ 11

Author(s):

GIAMPIERO ESPOSITO

Keyword(s):

General Relativity ◽

Minkowski Space ◽

Dual Space ◽

Conformal Gravity ◽

Penrose Transform ◽

Minkowski Space Time ◽

Two Component ◽

Spinor Geometry ◽

Complex General Relativity ◽

Component Spinor

An attempt is made of giving a self-contained introduction to holomorphic ideas in general relativity, following work over the last thirty years by several authors. The main topics are complex manifolds, two-component spinor calculus, conformal gravity, α-planes in Minkowski space-time, α-surfaces and twistor geometry, anti-self-dual space-times and Penrose transform, spin-3/2 potentials, heaven spaces and heavenly equations.

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Deconfinement signals from pulsar timing

International Astronomical Union Colloquium ◽

10.1017/s0252921100060735 ◽

2000 ◽

Vol 177 ◽

pp. 603-604 ◽

Cited By ~ 1

Author(s):

Hovik Grigorian ◽

Gevorg Poghosyan ◽

Edvard Chubarian ◽

David Blaschke

Keyword(s):

General Relativity ◽

Quark Matter ◽

Compact Star ◽

Baryon Number ◽

Rotational Frequency ◽

Compact Stars ◽

Pulsar Timing

AbstractThe occurence of a quark matter core in rotating compact stars has been investigated within general relativity as a function of both the rotational frequency and the total baryon number. We demonstrate that the deviation of the braking index fromn= 3 signals not only the occurence but also the size of a quark matter core in a pulsar. We suggest that in systems with mass accretion onto a rapidly rotating compact star a spin-down to spin-up transition might signal a deconfinement transition in its interior.

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Modeling of charged anisotropic compact stars in general relativity

The European Physical Journal A ◽

10.1140/epja/i2017-12304-8 ◽

2017 ◽

Vol 53 (6) ◽

Cited By ~ 11

Author(s):

Baiju Dayanandan ◽

S. K. Maurya ◽

Smitha T. T

Keyword(s):

General Relativity ◽

Compact Stars

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