Relevant bibliographies by topics / Einstein static universe

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Einstein static universe'

Author: Grafiati
Published: 10 March 2023
Last updated: 31 July 2025

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Journal articles on the topic "Einstein static universe"

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Atazadeh, K., and F. Darabi. "Einstein static universe from GUP." Physics of the Dark Universe 16 (June 2017): 87–93. http://dx.doi.org/10.1016/j.dark.2017.04.008.

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Huang, Qihong, He Huang, Bing Xu, and Kaituo Zhang. "Evolution of the Early Universe in Einstein–Cartan Theory." Universe 11, no. 5 (2025): 147. https://doi.org/10.3390/universe11050147.

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Einstein–Cartan theory is a generalization of general relativity that introduces spacetime torsion. In this paper, we perform phase space analysis to investigate the evolution of the early universe in Einstein–Cartan theory. By studying the stability of critical points in the dynamical system, we find that there exist two stable critical points which represent an Einstein static solution and an expanding solution, respectively. After analyzing the phase diagram of the dynamical system, we find that the early universe may exhibit an Einstein static state, an oscillating state, or a bouncing sta
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Darabi, F., Y. Heydarzade, and F. Hajkarim. "Stability of Einstein static universe over Lyra geometry." Canadian Journal of Physics 93, no. 12 (2015): 1566–70. http://dx.doi.org/10.1139/cjp-2015-0312.

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The existence and stability conditions of Einstein static universe against homogeneous scalar perturbations in the context of Lyra geometry is investigated. The stability condition is obtained in terms of the constant equation of state parameter ω = p/ρ depending on energy density ρ0 and scale factor a0 of the initial Einstein static universe. Also, the stability against vector and tensor perturbations is studied. It is shown that a stable Einstein static universe can be found in the context of Lyra geometry against scalar, vector, and tensor perturbations for suitable range and values of phys
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Atazadeh, K., Y. Heydarzade, and F. Darabi. "Einstein static universe in braneworld scenario." Physics Letters B 732 (May 2014): 223–27. http://dx.doi.org/10.1016/j.physletb.2014.03.009.

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Sharif, M., and Sana Saleem. "Stability of anisotropic perturbed Einstein universe in f(R) gravity." Modern Physics Letters A 35, no. 18 (2020): 2050152. http://dx.doi.org/10.1142/s0217732320501527.

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The aim of this paper is to investigate the existence of stable modes of the Einstein static universe in the background of [Formula: see text] theory. For this purpose, we take homogeneous anisotropic perturbations in scale factors as well as matter contents. We construct static and perturbed field equations that are further parameterized by linear equation of state parameter. We obtain the Einstein static solutions for two specific [Formula: see text] models and graphically analyze their stable regions. It is concluded that contrary to general relativity, there exists stable Einstein static u
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Huang, Qihong, Kaituo Zhang, He Huang, Bing Xu, and Feiquan Tu. "CMB Power Spectrum in the Emergent Universe with K-Essence." Universe 9, no. 5 (2023): 221. http://dx.doi.org/10.3390/universe9050221.

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The emergent universe provides a possible method to avoid the Big Bang singularity by considering that the universe stems from a stable Einstein static universe rather than the singularity. Since the Einstein static universe exists before inflation, it may leave some relics in the CMB power spectrum. In this paper, we analyze the stability condition for the Einstein static universe in general relativity with k-essence against both the scalar and tensor perturbations. Furthermore, we find the emergent universe can be successfully realized by constructing a scalar potential and an equation of st
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Atazadeh, K. "Stability of the Einstein static universe in Einstein-Cartan theory." Journal of Cosmology and Astroparticle Physics 2014, no. 06 (2014): 020. http://dx.doi.org/10.1088/1475-7516/2014/06/020.

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Sharif, Muhammad, and Muhammad Zeeshan Gul. "Stability Analysis of the Inhomogeneous Perturbed Einstein Universe in Energy–Momentum Squared Gravity." Universe 9, no. 3 (2023): 145. http://dx.doi.org/10.3390/universe9030145.

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The main objective of this article is to examine the stability of Einstein static universe using inhomogeneous perturbations in the context of energy–momentum squared gravity. For this purpose, we used FRW spacetime with perfect matter distribution and formulated static as well as perturbed field equations. We took a minimal model of this theory to investigate the stable regions of the Einstein universe for conserved and non-conserved energy–momentum tensors. We found that stable modes of the Einstein universe appeared in both conserved and non-conserved cases for all values of the equation of
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Sharif, M., and Sana Saleem. "Stability of anisotropic perturbed Einstein universe in f(R,T) theory." Modern Physics Letters A 35, no. 27 (2020): 2050222. http://dx.doi.org/10.1142/s0217732320502223.

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The aim of this paper is to investigate the stability of Einstein static cosmos using anisotropic homogeneous perturbations in the background of [Formula: see text] theory in which [Formula: see text] and [Formula: see text] express the Ricci scalar and trace of the stress–energy tensor, respectively. To accomplish this work, we consider perfect fluid distribution and adopt small anisotropic perturbations in the scale factors and matter contents. We develop static and perturbed field equations that are simplified by using equation of state parameter. For the specific models of [Formula: see te
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Heydarzade, Y., and F. Darabi. "Induced matter brane gravity and Einstein static universe." Journal of Cosmology and Astroparticle Physics 2015, no. 04 (2015): 028. http://dx.doi.org/10.1088/1475-7516/2015/04/028.

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Dissertations / Theses on the topic "Einstein static universe"

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Canonico, Rosangela. "Exact solutions in general relativity and alternative theories of gravity: mathematical and physical properties." Doctoral thesis, Universita degli studi di Salerno, 2011. http://hdl.handle.net/10556/181.

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2009 - 2010<br>In this thesis, we discuss several subjects connected with the framework of GR, in order to characterize astrophysical compact objects. The main purpose is to provide simple models describing gravitational fields generated by isolated compact bodies in stationary rotation with extremely simple internal structure, such as neutron stars. The main tools used for our analysis are exact solutions of Einstein fields equations, which have been approached in different ways. In particular, we use the formalism of junction conditions for finding new solutions of Einstein equations in p
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Books on the topic "Einstein static universe"

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Deruelle, Nathalie, and Jean-Philippe Uzan. The Kerr solution. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198786399.003.0048.

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This chapter covers the Kerr metric, which is an exact solution of the Einstein vacuum equations. The Kerr metric provides a good approximation of the spacetime near each of the many rotating black holes in the observable universe. This chapter shows that the Einstein equations are nonlinear. However, there exists a class of metrics which linearize them. It demonstrates the Kerr–Schild metrics, before arriving at the Kerr solution in the Kerr–Schild metrics. Since the Kerr solution is stationary and axially symmetric, this chapter shows that the geodesic equation possesses two first integrals.
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Deruelle, Nathalie, and Jean-Philippe Uzan. Friedmann–Lemaître spacetimes. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198786399.003.0058.

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This chapter discusses the laws governing the evolution of the scale factor as well as Hubble’s law, which is historically the first observational signature of cosmic expansion. Hubble’s law relates two measurable quantities, the redshift and the luminosity distance of a galaxy. The chapter also introduces the Weyl postulate (1923), which stipulates that the ‘cosmological fluid’ consisting of galaxies, quasars, and so on, visible or invisible, follows such geodesics. It then presents the Friedmann–Lemaître equations. Finally, the chapter discusses the first models of the universe, from 1917–60
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Silberstein, Michael, W. M. Stuckey, and Timothy McDevitt. Resolving Puzzles, Problems, and Paradoxes from General Relativity. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198807087.003.0004.

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The main thread of chapter 3 introduces general relativity (GR), Big Bang cosmology, and closed timelike curves, showing how the ant’s-eye view leads to the puzzle of the creation of the universe, the horizon problem, the flatness problem, the low entropy problem, and the paradoxes of closed time-like curves. All these puzzles, problems, and paradoxes of the dynamical universe are resolved using the God’s-eye view of the adynamical block universe. Accordingly, Einstein’s equations of GR are not understood dynamically, but rather adynamically, that is, as a global self-consistency constraint be
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Blundell, Katherine. 3. Characterizing black holes. Oxford University Press, 2015. http://dx.doi.org/10.1093/actrade/9780199602667.003.0003.

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‘Characterizing black holes’ describes the two different types of black holes: Schwarzschild black holes that do not rotate and Kerr black holes that do. The only distinguishing characteristics of black holes are their mass and their spin. A remarkable feature of a spinning black hole is that the gravitational field pulls objects around the black hole’s axis of rotation, not merely in towards its centre—an effect called frame dragging. The static limit and ergosphere regions of black holes are also described. Einstein’s equations of General Relativity allow many different solutions describing
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Kragh, Helge. Physics and Cosmology. Edited by Jed Z. Buchwald and Robert Fox. Oxford University Press, 2017. http://dx.doi.org/10.1093/oxfordhb/9780199696253.013.30.

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This article considers the role of physics in transforming cosmology into a research field which relies heavily on fundamental physical knowledge. It begins with an overview of astrophysics and the state of physical cosmology prior to the introduction of relativity, followed by a discussion of Albert Einstein’s application of his new theory of gravitation to cosmology. It then examines the development of a theory about the possibility of an expanding universe, citing the work of such scientists as Edwin Hubble, Alexander Friedmann, Georges Lemaître, and George Gamow; the emergence of the field
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Kenyon, Ian R. Quantum 20/20. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780198808350.001.0001.

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This text reviews fundametals and incorporates key themes of quantum physics. One theme contrasts boson condensation and fermion exclusivity. Bose–Einstein condensation is basic to superconductivity, superfluidity and gaseous BEC. Fermion exclusivity leads to compact stars and to atomic structure, and thence to the band structure of metals and semiconductors with applications in material science, modern optics and electronics. A second theme is that a wavefunction at a point, and in particular its phase is unique (ignoring a global phase change). If there are symmetries, conservation laws foll
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Book chapters on the topic "Einstein static universe"

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Parisi, Luca, Ninfa Radicella, and Gaetano Vilasi. "Stability of the Einstein Static Universe in Massive Gravity." In Progress in Mathematical Relativity, Gravitation and Cosmology. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-40157-2_52.

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Rowan-Robinson, Michael. "How heavy is the vacuum?" In The Nine Numbers of the Cosmos. Oxford University PressOxford, 1999. http://dx.doi.org/10.1093/oso/9780198504443.003.0008.

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Abstract The eighth number of the cosmos, the cosmological constant, A (lambda), was introduced by Einstein in 1917 in order to permit a static model of the universe. The idea is that a repulsive force, whose strength increases with distance, operates on the cosmological scale and prevents the universe from falling together under gravity. Recall (p. 25) that Newton, in his discussions with Richard Bentley, could not decide what the fate of a uniform, smooth, infinite universe would be, and argued that as the matter would not know which way to fall it would remain in its place. Quite apart from
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Mamone Capria Marco. "The Rebirth of Cosmology: From the Static to the Expanding Universe." In Physics Before and After Einstein. IOS Press, 2005. https://doi.org/10.3233/978-1-58603-462-7-129.

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Lancaster, Tom, and Stephen J. Blundell. "Universes of the past and future." In General Relativity for the Gifted Amateur. Oxford University PressOxford, 2025. https://doi.org/10.1093/oso/9780192867407.003.0019.

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Abstract We apply all of the ideas developed in the last few chapters to a number of different model universes. The Robertson-Walker spaces filled with a perfect fluid provide a range of models, many of which start with a Big Bang. The Einstein Universe is static, but unstable; the Einstein-de Sitter model expands without bound and the Lemaître model has a coasting period. The standard models of cosmology have zero cosmological constant Λ, and all begin with a Big-Bang singularity.
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Satz, Helmut. "The Energy of Space." In More than the Sum of the Parts. Oxford University PressOxford, 2022. http://dx.doi.org/10.1093/oso/9780192864178.003.0006.

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Abstract We discuss the effect of the Big Bang as origin of the universe on the concept of energy conservation. In particular, it leads to a non-static universe, an effect which Einstein had tried to avoid by the introduction of the cosmological constant. The advent of Hubble’s law confirmed an expansion of the universe, and the subsequent observation of continued acceleration led to the introduction of the idea of dark energy. In this context, the idea of a universe emerging from nothing was introduced.
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Kousar, Rehana. "The Whole Theory of this Universe- A Step Forward to Einstein Part-2nd Static Universe." In New Trends in Physical Science Research Vol. 3. Book Publisher International (a part of SCIENCEDOMAIN International), 2022. http://dx.doi.org/10.9734/bpi/ntpsr/v3/2269b.

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Belot, Gordon. "Stability, Instability, and Hair." In Accelerating Expansion. Oxford University PressOxford, 2023. http://dx.doi.org/10.1093/oso/9780192866462.003.0008.

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Abstract This chapter is concerned with the global non-linear stability of de Sitter spacetime and with the cosmic no-hair conjecture (according to which de Sitter spacetime is a powerful dynamical attractor when a term with a positive cosmological constant is included in the Einstein equation). By way of context, it includes some background about the notion of global non-linear stability. And by way of contrast it also considers the global non-linear instability of the Einstein static universe, the global non-linear stability of Minkowski spacetime and the global non-linear (in)stability of a
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d’Inverno, Ray, and James Vickers. "The classical cosmological models." In Introducing Einstein's Relativity, 2nd ed. Oxford University PressOxford, 2022. http://dx.doi.org/10.1093/oso/9780198862024.003.0025.

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Abstract Chapter 25 mostly discusses the mathematical features of the classical FRW cosmological models (where FRW stands for Friedmann–Robertson–Walker) that one obtains by solving the Friedmann equation. It looks at how these relate to the observational evidence as well as considering some more sophisticated models in the next chapter. It also provides a more complete analysis of the various Friedmann models. These include Einstein static space, de Sitter space, and anti-de Sitter space. The early epochs of the universe and the historically significant steady-state theory are next discussed.
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d’Inverno, Ray, and James Vickers. "Modern cosmology." In Introducing Einstein's Relativity, 2nd ed. Oxford University PressOxford, 2022. http://dx.doi.org/10.1093/oso/9780198862024.003.0026.

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Abstract Chapter 26 introduces ‘modern cosmology’, in which one considers general multicomponent Friedmann-type models described in terms of four parameters. While the previous chapter looked at the Friedmann equation under radiation-dominated, matter-dominated, or vacuum-dominated conditions, this chapter examines situations which allow for all three conditions and relates the theoretical predictions to observational parameters. This leads to the ‘standard cosmological model’ of a flat space-time containing both conventional and dark matter and in which the expansion of the universe is driven
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Silk, Joseph. "And so to God." In The Infinite Cosmos. Oxford University PressOxford, 2006. http://dx.doi.org/10.1093/oso/9780198505105.003.0019.

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Abstract The role of God in cosmology has both intrigued and plagued cosmologists since the earliest recorded writings on the nature of the cosmos. Some suffered: not only were their books banned or burnt, even they were not immune from similar treatment. In modern times, the Catholic Church at least developed more progressive views under the guidance of the eminent Jesuit cosmologist Georges Lemaître. Born in 1894 at Charleroi, Belgium, Lemaître, as a young, unknown researcher and already ordained, was able to demonstrate in 1920 that Einstein’s static universe from 1917 was unstable to colla
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Conference papers on the topic "Einstein static universe"

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BÖHMER, C. G., L. HOLLENSTEIN, F. S. N. LOBO, and S. S. SEAHRA. "STABILITY OF THE EINSTEIN STATIC UNIVERSE IN MODIFIED THEORIES OF GRAVITY." In Proceedings of the MG12 Meeting on General Relativity. WORLD SCIENTIFIC, 2012. http://dx.doi.org/10.1142/9789814374552_0379.

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Salehi, Shahram, Swee-Ping Chia, Kurunathan Ratnavelu, and Muhamad Rasat Muhamad. "On the Concept of Local Net of Algebras in Einstein Static Universe." In FRONTIERS IN PHYSICS: 3rd International Meeting. AIP, 2009. http://dx.doi.org/10.1063/1.3192274.

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Alfonso-Faus. "Mass Boom Versus Big Bang: Was Einstein Right in His Static Model for the Universe?" In FRONTIERS OF FUNDAMENTAL PHYSICS: Eighth International Symposium FFP8. AIP, 2007. http://dx.doi.org/10.1063/1.2737023.

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Reports on the topic "Einstein static universe"

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Parisi, Luca. Modified Cosmological Equations and the Einstein Static Universe. GIQ, 2012. http://dx.doi.org/10.7546/giq-12-2011-290-304.

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Parisi, Luca. Modified Cosmological Equations and the Einstein Static Universe. Journal of Geometry and Symmetry in Physics, 2012. http://dx.doi.org/10.7546/jgsp-22-2011-51-65.

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Parisi, Luca. Dynamical Systems Techniques in Cosmology. An example: LQC and the Einstein Static Universe. GIQ, 2012. http://dx.doi.org/10.7546/giq-10-2009-211-226.

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Parisi, Luca. Dynamical Systems Techniques in Cosmology. An example: LQC and the Einstein Static Universe. Journal of Geometry and Symmetry in Physics, 2012. http://dx.doi.org/10.7546/jgsp-14-2009-67-83.

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