5 of 6 people found the following review helpful:
5.0 out of 5 stars
Currently one of the standards, March 14, 2001
This review is from: String Theory (Cambridge Monographs on Mathematical Physics) (Volume 2) (Hardcover)
Polchinski's book on string theory is a very well written book about the subject. Also, the problems given in the book are valuable for a further understanding. Using it together with the book by Green, Schwarz, Witten one will afterwards have indeed little problems understanding the papers on this subject. However one caveat: if one reads this book, he or she shoudl be always aware that this topic is still deeply a research subject and by no means settled like mechanics. If this is always kept in mind, then this book is of considerable help in understanding one of the current frontiers of physics.
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2 of 2 people found the following review helpful:
5.0 out of 5 stars
Great book, wish there was more, March 31, 2006
This review is from: String Theory (Cambridge Monographs on Mathematical Physics) (Volume 2) (Hardcover)
This book picks up for Volume I left off. Supersymmetry is added to strings, more symmetries are presented, string theory phenomenology is described and many topics introduced in Volume I are developed in more detail. The quality is as good as it was in the previous volume and I think this book is essential reading for anyone attempting to master string theory.
The main addition in this volume is the expanded coverage of supersymmetry. In brief, the early chapter topics include the relation of worldsheet supersymmetry to spacetime supersymmetry, the various types of superstrings (I, IIA, IIB, and Heterotic) and even W-algebras. Calculations of critical dimensions, scattering amplitudes and anomaly cancellations are also done.
After incorporating supersymmetry into D-branes and T-duality (two concepts first introduced in the context of bosonic strings in Volume I), the text moves on to cover strings at strong coupling. It's a great chapter, my favorite of the book. Among the things covered are U-duality, black hole entropy, the black hole information paradox and M-theory.
After a chapter covering conformal field theory in more detail there are two chapters on compactification. One for orbifolds and one for Calabi-Yau spaces. The latter gives a nice overview of the techniques of complex geometry and algebraic topology needed to study Calabi-Yau spaces (there is also an appendix covering much of the math). Phenomenology is touched on in these, but it's in the following chapter that a more fully developed presentation of the possible string theory connection with the standard model and grand unified field theory is given. One thing I enjoyed was that in addition to string specific physics, this chapter discusses more general aspects of grand unified theories.
The final chapter contains a collection of advanced topics, with mirror symmetry being one of them.
To summarize this is a can't miss book for people seeking to understand string theory. Is anything missing? Not really, although more extensive coverage of black holes and D-branes would've been nice. It definitely left me wishing there was a Volume III on the horizon.
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11 of 18 people found the following review helpful:
5.0 out of 5 stars
Perfect book!, June 24, 1999
By A Customer
This review is from: String Theory (Cambridge Monographs on Mathematical Physics) (Volume 2) (Hardcover)
Reading this book is the easiest way to become familiar with various topics that seemed to be extremely difficult before. The reader then shouldn't have any problems with understanding current research papers.
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