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20 of 22 people found the following review helpful
5.0 out of 5 stars A Must have For Every Theoretical Physicist, 19 Mar 2008
This review is from: Cosmology (Hardcover)
Wow! This is the first review of the book in the whole of internet. I got a copy of Steven Weinberg's Cosmology today though Amazon and am happy! Reminds me of the day back in early 2000 when I pre-ordered Weinberg's Supersymmetry and the day I got it was full of intellectual thrills. All the other texts had a very superficial treatment of Supersymmetry and this was also the case with Cosmology - until now, when the biggest physicist in the post-world-war-2 era wrote on the subject!

Any review of Weinberg's texts is far from complete without having to say something about the Preface. The reader will remember the preface of his book on Gravitation and Cosmology where Weinberg tells us how dissatisfied he was with the usual approach to studying Gravitation and how he sees General Relativity as a consequence of constraints imposed by the quantum theory of massless Spin-2 particles. The reason for Weinberg to write the texts on Quantum Field Theory was also spelled out in the preface - he wanted to address a deep question: "Why Quantum Fields?". In the preface of this book, the author tells us that he wanted to share his experience of learning the latest development of Cosmology, since lots has happened in this area recently. Plus of course, he indirectly (and correctly!) points out how incomplete the usual review articles on Cosmology are.

That indeed is true! And this book precisely will help the reader in learning Cosmology in a way where equations are actually derived and not just mentioned with a reference. Usual treatment of cosmology is vague and superficial and in this text the reader will find not only the full derivation but also good explanations.

The book can be divided in 2 parts. In Chapters 1-4 the reader is introduced to topics ranging from the Robertson-Walker metric to the expanding universe to inflation. The reader has to be familiar with General Relativity to start reading this book. There is a small Appendix in the book on GR: however it should be seen as a write-up for establishing conventions. The remainder of the book (Chapters 5-10) consider advanced topics such as anisotropies, growth of structure and multi-field inflation. Weinberg mentions that he did not want to cover speculative topics and this seems to make sense for such a book. (Though I would have loved a section on the Cosmic Anthropic Principle)

To summarize, this is simply the best reference for Cosmology and Weinberg has once again written a text, noboby else could have.
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1 of 1 people found the following review helpful
5.0 out of 5 stars Very comprehensive coverage...and very detailed!, 29 April 2014
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This review is from: Cosmology (Hardcover)
Well, it's a pretty heavy mathematical coverage on the subject...not many pretty pictures but clearly a detailed, comprehensive and very well structured book in the same vein as the quantum theory of field by the same author.

I'm wadding through pretty slowly just for recreation...not easy to follow in detail but gives a fascinating window on the sort of lengths that physicists are going to compare experimental data with theoretical models
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5 of 7 people found the following review helpful
5.0 out of 5 stars A Must have For Every Theoretical Physicist, 18 Mar 2008
This review is from: Cosmology (Hardcover)
Wow! This is the first review of the book in the whole of internet. I got a copy of Steven Weinberg's Cosmology today though Amazon and am happy! Reminds me of the day back in early 2000 when I pre-ordered Weinberg's Supersymmetry and the day I got it was full of intellectual thrills. All the other texts had a very superficial treatment of Supersymmetry and this was also the case with Cosmology - until now, when the biggest physicist in the post-world-war-2 era wrote on the subject!

Any review of Weinberg's texts is far from complete without having to say something about the Preface. The reader will remember the preface of his book on Gravitation and Cosmology where Weinberg tells us how dissatisfied he was with the usual approach to studying Gravitation and how he sees General Relativity as a consequence of constraints imposed by the quantum theory of massless Spin-2 particles. The reason for Weinberg to write the texts on Quantum Field Theory was also spelled out in the preface - he wanted to address a deep question: "Why Quantum Fields?". In the preface of this book, the author tells us that he wanted to share his experience of learning the latest development of Cosmology, since lots has happened in this area recently. Plus of course, he indirectly (and correctly!) points out how incomplete the usual review articles on Cosmology are.

That indeed is true! And this book precisely will help the reader in learning Cosmology in a way where equations are actually derived and not just mentioned with a reference. Usual treatment of cosmology is vague and superficial and in this text the reader will find not only the full derivation but also good explanations.

The book can be divided in 2 parts. In Chapters 1-4 the reader is introduced to topics ranging from the Robertson-Walker metric to the expanding universe to inflation. The reader has to be familiar with General Relativity to start reading this book. There is a small Appendix in the book on GR: however it should be seen as a write-up for establishing conventions. The remainder of the book (Chapters 5-10) consider advanced topics such as anisotropies, growth of structure and multi-field inflation. Weinberg mentions that he did not want to cover speculative topics and this seems to make sense for such a book. (Though I would have loved a section on the Cosmic Anthropic Principle)

To summarize, this is simply the best reference for Cosmology and Weinberg has once again written a text, noboby else could have.
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5.0 out of 5 stars Outstanding update to previous 2-vol work, 26 Jan 2013
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Blaise F. Egan "blaisefegan" (East Anglia, UK) - See all my reviews
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This review is from: Cosmology (Hardcover)
In the 1970s Weinberg wrote a 2-volume work called Gravitation & Cosmology, Principles & Applications of the General Theory of Relativity. Since then he's been busy (winning the Nobel prise, for one thing) and now he's come back and provided a supplementary volume as an update. He says the Gravitation bit doesn't need updating as the theory hasn't changed much but the Cosmology bit has changed substantially over the 30 or so years since G&C (as he calls it). You can read this as a stand-alone without buying G&C but the introduction to tensor calculus at the start is rather short compared to the detailed exposition in G&C. Also, for some of the proofs he refers back to G&C. The amount of detail here is amazing and his commentary is very illuminating. He really does explain it all well. I love it and will go back to it again and again.
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2 of 3 people found the following review helpful
5.0 out of 5 stars Complete Cosmology, 7 Jun 2011
This review is from: Cosmology (Hardcover)
This book is great. I graduated from my phd 4 and a half years ago and since have been pursuing a totally different career, needless to say my physics is getting rusty. However, this book introduces everything from first principles and provides me with all the information I need to be able to follow the discussions. It is well written, clear and I have noticed very few typos - essential for avoiding reader confusion! I wanted to fill the cosmological hole in my physics knowledge and this book has been perfect. If you can handle it, read it.
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5.0 out of 5 stars Five Stars, 31 July 2014
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This review is from: Cosmology (Hardcover)
great
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Cosmology
Cosmology by Steven Weinberg (Hardcover - 21 Feb 2008)
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