Gravity and the Quantum: Pedagogical Essays on Cosmology, Astrophysics, and Quantum Gravity

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Jasjeet Singh Bagla, Sunu Engineer
Springer, Feb 23, 2017 - Science - 494 pages

This book provides a compilation of in-depth articles and reviews on key topics within gravitation, cosmology and related issues. It is a celebratory volume dedicated to Prof. Thanu Padmanabhan ("Paddy"), the renowned relativist and cosmologist from IUCAA, India, on the occasion of his 60th birthday. The authors, many of them leaders of their fields, are all colleagues, collaborators and former students of Paddy, who have worked with him over a research career spanning more than four decades. Paddy is a scientist of diverse interests, who attaches great importance to teaching. With this in mind, the aim of this compilation is to provide an accessible pedagogic introduction to, and overview of, various important topics in cosmology, gravitation and astrophysics. As such it will be an invaluable resource for scientists, graduate students and also advanced undergraduates seeking to broaden their horizons.

 

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Contents

A Personal and Professional History
1
Measuring Baryon Acoustic Oscillations with Angular TwoPoint Correlation Function
10
Resonant Disruption of Binary Stars by a Catalytic Black Hole
21
Mechanics of Apparent Horizon in Two Dimensional Dilaton Gravity
30
Boundary Terms of the EinsteinHilbert Action
43
Decay of the Cosmic Vacuum Energy
60
A Matter of Perspective
73
Piecewise Conserved Quantities
88
Nonlocal Infrared Modifications of Gravity A Review
221
Emergence of Gravity and RG Flow
282
Modelling Nonparadoxical Loss of Information in Black Hole Evaporation
303
A Feynman Problem
317
Einstein Equations fromas Thermodynamics of Spacetime
339
Thoughts on 50 Years in Astrophysics and Cosmology and on What Comes Next
353
General Relativity and Beyond
362
What Are the Atoms of the Space Time?
375

Units of the Nonlinear Universe
99
Selfsimilarity and Criticality in Gravitational Collapse
117
Notes on Semiclassical Weyl Gravity
127
Accelerated Observers Thermal Entropy and Spacetime Curvature
145
Past Present and Future
168
Pedagogical and Real Physics
175
A Local Stress Tensor for Gravity Fields
209
From Quantum to Classical in the Sky
397
A Conflict of Interest
411
Four Principles for Quantum Gravity
426
What Do Detectors Detect?
451
False Vacua and Topological Defects
479
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About the author (2017)

J.S. Bagla is an astrophysicist specializing in cosmology and gravitational clustering in an expanding universe. His current interests are in galaxy formation and evolution with an emphasis on use of upcoming facilities for constraining models of galaxy formation.

Sunu Engineer is an astrophysicist specializing in cosmology and structure formation. His current research interests are in thermodynamic theories of gravity, computational physics and technology and the physics of music.

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