Topics on Strong Gravity

Topics on Strong Gravity

A Modern View on Theories and Experiments

César Augusto Zen Vasconcellos

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Description

For more than a century, our understanding of gravitational physics was based on Albert Einstein's theory of General Relativity, which fundamentally changed our understanding of the Universe, its origin, and its evolutionary process. General Relativity accurately describes a large number of phenomena on very different scales. As such, it has been very well tested and its remarkable predictions are compatible with most experimental and observational data. However, the observational and experimental results compatible with General Relativity fall in its vast majority under the weak gravitational field regime. In recent years, discrepancies between the data and the corresponding predictions of General Relativity have been observed and have generated intense research activity. One of the most critical aspects of General Relativity is the presence of singularities in extreme physical situations. These discrepancies indicate that either the parameters of the theory must be modified in the regime of strong field gravity/high energy and large space-time curvature, or the theory itself should be modified. In this book, we focus our attention on extended alternative gravity theories and the best astrophysical laboratories to probe the strong field regime: black holes, pulsars, and neutron stars.

Contents:
  • Spacetime Singularities in General Relativity (César A Zen Vasconcellos)
  • Astrophysical Constraints on Strong Modified Gravity (Daniela Pérez and Gustavo Esteban E Romero)
  • The Pseudo-Complex General Relativity: Theory and Observational Predictions (Peter O Hess and Thomas Boller)
  • Dense Baryonic Matter in the Cores of Neutron Stars (William M Spinella and Fridolin Weber)
  • Probing the Spacetime Around a Black Hole with X-Ray Variability (Tomaso M Belloni)
  • Supermassive Black Holes in the Early Universe (José Antonio de Freitas Pacheco)
  • Astrophysical Aspects of General Relativistic Mass Twin Stars (David Blaschke, David Edwin Alvarez-Castillo, Alexander Ayriyan, Hovik Grigorian, Noshad Khosravi Largani, and Fridolin Weber)

Readership: Students and researchers working on general relativity and gravitation.Strong-Field Gravity;General Relativity;Black Holes;Neutron Stars;Quantum Gravity0Key Features:
  • The contributors are established experts in the field
  • Presents one of the most relevant topics of modern cosmology: black holes and neutron stars as astrophysical laboratories to probe strong-field gravity
  • Discuss extensions of general relativity that encompass the quantum universe


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