Cover image for Foundations of space and time : reflections on quantum gravity
Title:
Foundations of space and time : reflections on quantum gravity
Publication Information:
Cambridge ; New York : Cambridge University Press, 2012
Physical Description:
xiv, 437 p. : ill. ; 25 cm.
ISBN:
9780521114400
Abstract:
"After almost a century, the field of quantum gravity remains as difficult and inspiring as ever. Today, it finds itself a field divided, with two major contenders dominating: string theory, the leading exemplification of the covariant quantization program; and loop quantum gravity, the canonical scheme based on Dirac's constrained Hamiltonian quantization. However, there are now a number of other innovative schemes providing promising new avenues. Encapsulating the latest debates on this topic, this book details the different approaches to understanding the very nature of space and time. It brings together leading researchers in each of these approaches to quantum gravity to explore these competing possibilities in an open way. Its comprehensive coverage explores all the current approaches to solving the problem of quantum gravity, addressing the strengths and weaknesses of each approach, to give researchers and graduate students an up-to-date view of the field"-- Provided by publisher.

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30000010312363 QC173.59.S65 F684 2012 Open Access Book Book
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Summary

Summary

After almost a century, the field of quantum gravity remains as difficult and inspiring as ever. Today, it finds itself a field divided, with two major contenders dominating: string theory, the leading exemplification of the covariant quantization program; and loop quantum gravity, the canonical scheme based on Dirac's constrained Hamiltonian quantization. However, there are now a number of other innovative schemes providing promising new avenues. Encapsulating the latest debates on this topic, this book details the different approaches to understanding the very nature of space and time. It brings together leading researchers in each of these approaches to quantum gravity to explore these competing possibilities in an open way. Its comprehensive coverage explores all the current approaches to solving the problem of quantum gravity, addressing the strengths and weaknesses of each approach, to give researchers and graduate students an up-to-date view of the field.


Table of Contents

1 The problem with quantum gravityJeff Murugan and Amanda Weltman and George F. R. Eliis
2 A dialogue on the nature of gravityThanu Padmanabhan
3 Effective theories and modifications of gravityCliff Burgess
4 The small scale structure of spacetimeSteve Carlip
5 Ultraviolet divergences in supersymmetric theoriesKellog Stelle
6 Cosmological quantum billiardsAxel Kleinschmidt and Hermann Nicolai
7 Progress in RNS string theory and pure spinorsDimitri Polyakov
8 Recent trends in superstring phenomenologyMassimo Bianchi
9 Emergent spacetime Robertde Mello Koch and Jeff Murugan
10 Loop quantum gravityHanno Sahlmann
11 Loop quantum gravity and cosmologyMartin Bojowald
12 The microscopic dynamics of quantum space as a group field theory Daniele Oriti
13 Causal dynamical triangulations and the quest for quantum gravityJan Ambjørn and J. Jurkiewicz and Renate Loll
14 Proper time is stochastic time in 2D quantum gravityJan Ambjorn and Renate Loll and Y. Watabiki and W. Westra and S. Zohren
15 Logic is to the quantum as geometry is to gravityRafael Sorkin
16 Causal sets: discreteness without symmetry breakingJoe Henson
17 The Big Bang, quantum gravity, and black-hole information lossRoger Penrose
Index