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Lubos Motl
C Kiefer

Carlo Rovelli

Quantum gravity

You'll probably know about the difficulty of quantising gravity, and of the arguments over the viability of String Theory as a solution. But what alternatives are there? Well the main contender is Loop Quantum Gravity (LQG). Carlo Rovelli's book Quantum Gravity gives a research level treatment of this subject. The first part of the book looks at general relativity, classical mechanics and quantum theory, including quantum field theory. However, these chapters don't try to teach the reader these subjects. Rather they provide a new way of looking at them for readers who have already devoted some time to studying them.

The second part of the book gets on to Loop Quantum Gravity itself, showing the importance of background independence - rather than being given, space and time emerge as consequences of the theory. There is a chapter on the applications of the subject, such as quantum cosmology and black hole entropy. The book concludes with appendices looking at the history of LQG and at its philosophical implications. There is no doubt that this book requires a lot of prior knowledge, but I feel that it would be very useful to anyone wishing to learn about LQG, as it has plenty of recommendations of books which will give you this knowledge, and so it maps out a path for those wishing to study the subject.

Amazon.com info
Hardcover 455 pages  
ISBN: 0521837332
Salesrank: 1161907
Weight:2.25 lbs
Published: 2004 Cambridge University Press
Marketplace:New from $59.95:Used from $40.33
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Amazon.co.uk info
Hardcover 480 pages  
ISBN: 0521837332
Salesrank: 2640492
Weight:2.25 lbs
Published: 2004 Cambridge University Press
Marketplace:New from £74.17:Used from £31.72
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Amazon.ca info
Hardcover 480 pages  
ISBN: 0521837332
Salesrank: 3645356
Weight:2.25 lbs
Published: 2004 Cambridge University Press
Marketplace:New from CDN$ 135.27:Used from CDN$ 90.63
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Product Description
Quantum gravity poses the problem of merging quantum mechanics and general relativity, the two great conceptual revolutions in the physics of the twentieth century. The loop and spinfoam approach, presented in this book, is one of the leading research programs in the field. The first part of the book discusses the reformulation of the basis of classical and quantum Hamiltonian physics required by general relativity. The second part covers the basic technical research directions. Appendices include a detailed history of the subject of quantum gravity, hard-to-find mathematical material, and a discussion of some philosophical issues raised by the subject. This fascinating text is ideal for graduate students entering the field, as well as researchers already working in quantum gravity. It will also appeal to philosophers and other scholars interested in the nature of space and time.