Study of Compact Stars with Buchdahl Potential in 5-D Einstein-Gauss-Bonnet Gravity

Malaver, Manuel; Iyer, Rajan; Khan, Israr Ali

doi:10.9734/psij/2022/v26i9-10762

Cited by 6 publications

(7 citation statements)

References 42 publications

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“…Gage cursory look of Algorithm (I) and Algorithm (II) will tell us that while electromagnetic force appears as signal profile field matrix, gravitational force appears as density matrix time space manifesting flavor with mass factor, and both together in stringmetrics. 1,[4][5][6][7]9,10,11,16,18 Practically achieving with typically observations measurements having spectral density alongside intensities signal profiling will be then part of experimental physics.…”

Section: Algorithm (Ii)mentioning

confidence: 99%

“…Hod-PDP circuit assembly dynamically progressively stabilizes through quantum level creation from Superluminous Plenum generating energy perpetually while keeping "zitterbewegung", average universal temperature, gravitational waves, and cosmic microwave background by having critical signal/noise density matrix evolving out of observables Algorithm Equation (I). [9][10][11][12][13][14][15][16][17][18] We get the whole picture by computer simulation matrix programming problem solving simultaneously Algorithm (I) & Algorithm (II) to get proper observables that are experimentally testable observations measurable parameters grand unifying physics! !Algebra gage theory discontinuum dissipative physical mathematical sciences paradigm shifting quantum relativity has proved to be main key to achieving it!!…”

Section: Algorithm (Ii)mentioning

confidence: 99%

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Review force general conjectural modeling transforms formalism physics

Iyer

2022

PAIJ

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This review article discusses recent advance formalisms trying to resolve inconsistencies of algorithmic grand unified physics. Logical conjectures starting with considering universe as a matrix of existential points and developing knowhow mechanics to configure algorithms to quantify quantum physical discontinuum dissipative process mechanism is emphasized. This projects algorithmic generalized transforms to model fundamentally force out of first definitional principle that will consider infinitum multiverses that encompasses universes allowing information leaking. These aspects may explain why none of the universal constants, especially Planck’s constant, speed of light, universal gravitational constant, fine structure constant, as well as others may not be constant after all!! Hereafter, emphasis will be on observable that are theoretically and/or theoretically testable measurable observations. Realizing that a real astrophysical parameter may be only signal/noise matrix, step by via step algorithms are developed from first principles of physical mathematics especially matrices, properties, rules, mathematical conceptuality, and physical attributable entity simple common-sense approach. Types of symmetries, intensity matrix versus density matrix, hidden causality, functor, functional algebra function point absolute microblackhole gage gravity force PHYSICS transforms superluminous plenum vacuum quanta with quantum sub-quantum hod-PDP micromechanics have been analyzed extensively with grand unifiable algorithm equating formalisms.

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Section: Algorithm (Ii)mentioning

confidence: 99%

Section: Algorithm (Ii)mentioning

confidence: 99%

Review force general conjectural modeling transforms formalism physics

Iyer

2022

PAIJ

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“…[69][70][71] Now by setting k = 0 we can reduce GCG and also cosmological constant type dark energy EOS can be described under the specification n = −1 and h = 1 + k. Recently, many stable and viable models on physical characteristics of compact objects have been developed by using MCG EOS. [72][73][74][75][76][77] Based on the above background, the main motivation behind the choice of MCG for our study is to emphasize the effect of MCG on various physical attributes of a spherically symmetric dark energy stars. The rest of the paper is organised as follows : In Section 2, we have formulated the Einstein-Maxwell field equa-tions for a mixture of ordinary and dark matter fluid.…”

Section: Introductionmentioning

confidence: 99%

Dark Energy Star: Physical Constraints on the Bounds

Das

Debnath

Ray

2023

Fortschritte der Physik

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In the present article, we explore a new solution to the Einstein-Maxwell field equations to describe spherically symmetric, charged and anisotropic dark energy stars. The interior of such stars containing two non-interacting fluids like dark and normal matter with a relation that the dark energy density is proportional to the energy density of a isotropic matter. We have used modified chaplygin gas equation to define the dark energy part. Also we have defined the interior space-time through Krori-Barua (KB) space-time and matched it with the exterior Reissner-Nordström space-time. The well-behaveness of the physical attributes have been discussed by plotting graphs for three specific compact objects with respect to our solutions. We conclude that all the physical attributes satisfy the required conditions for viability as well as stability and hence our model can be used to characterize dark energy stars for a set of parametric values belong to the present study.

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“…Tello-Ortiz et al (2020) found an anisotropic fluid sphere solution of the Einstein-Maxwell field equations with a modified Chaplygin equation of state. More recently, Malaver et al (2022) obtained new solutions of Einstein's field equations in a Buchdahl spacetime considering a nonlinear electromagnetic field.…”

Section: Introductionmentioning

confidence: 99%

Anisotropic Strange Stars with Nonlinear Equation of State

Malaver

2023

AJS

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The modeling of superdense matter is an interesting research area and in the last decades, such models allow explain the behavior of massive objects as neutron stars, quasars, pulsars and white dwarfs. Taking local anisotropy into consideration, in this paper we present a new classes of solutions for the Einstein´s field equations in a spherically symmetric spacetime under the influence of an electric field considering a quadratic equation of state with a particular form the metric potential that depends on an adjustable parameter. The obtained solutions can be written in terms of elementary functions, namely polynomials and algebraic functions. The graphs generated show that physical variables such as metric potentials, radial pressure, energy density, charge density, anisotropy, radial speed sound are consistent with realistic stellar models. The results of this research can be useful in the development and description of new models of compact structures. Keywords: quadratic equation of state, Einstein-Maxwell system, metric potential, adjustable parameter, compact structures

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Study of Compact Stars with Buchdahl Potential in 5-D Einstein-Gauss-Bonnet Gravity

Cited by 6 publications

References 42 publications

Review force general conjectural modeling transforms formalism physics

Review force general conjectural modeling transforms formalism physics

Dark Energy Star: Physical Constraints on the Bounds

Anisotropic Strange Stars with Nonlinear Equation of State

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