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am 10. Dezember 1999
Weinberg shows not only his mastery of the subject but also his skills as a teacher. The book is easy to understand provided one has mastered relativity and quantum mechanics. It would be an excellent complement for anyone who has read Bjorken/Drell or Peskin/Schroeder. In my opinion, a true understanding of quantum field theory can only be gained if one reads Bjorken/Drell, then Peskin/Schroeder and then finally Weinberg. In his book Weinberg is sort of recombining the best of Bjorken/Drell and Peskin/Schroeder and brings understanding to a new level. It is in a sense like with having read quantum mechanics by say Messiah and then reading Landau. Reading Landau first is not a good idea, but doing it after Messiah is. The same thing applies for Weinberg but for a different reason. His insight is more sparking that way.
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am 1. Mai 1999
A superb reference book, and one that those with some grounding in quantum field theory can learn many good things from. However, I believe students trying to learn what many consider a difficult subject will have a tough go of it. Being so brilliant, Weinberg may have trouble (not so rare in physics)teaching at the level of the students, rather than from the level of the accomplished. Nevertheless, this is a book everyone in the field should have on his/her bookshelf.
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am 18. November 2013
As others have already said here, Weinberg's treatment of quantum field theory (QFT) is hardly suitable for beginners. It is also not useful as an accompaniment to any lecture on the subject, unless the lecture is based directly on the book (I sincerely hope no professor would consider using this text for an introductory QFT course). This is because Weinberg insists on using a highly nonstandard notation, apparently trying to appeal to readers with a background in mathematics. Indeed, a lot of technical aspects are presented in a manner that is unusually rigorous in its mathematics, instead cutting down on the type of "intuitive" explanations that most physics texts (and physicists) prefer. At times this book reminded me of Ticciati's "Quantum Field Theory for Mathematicians", an interesting book in its own right. However, whereas Ticciati's logic can be easily followed, Weinberg apparently does not realize that most of his "trivial" statements are left unexplained, and are in fact incomprehensible without knowledge from other books.

For whom is this book suited, then? If you already have a strong background in quantum field theory and a feel for mathematical thinking, and missed technical rigorosity in Peskin & Schroeder's 800-page tome, you might want to give this book a try. If you want to actually understand quantum field theory or particle physics, you'll be better off with Zee's "QFT in a nutshell" or Peskin/Schroeder as an introduction and Cheng/Li for more advanced topics. I think the vast majority of potential readers belongs to the second group.
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am 28. Juli 1998
This is an excellent text for QFT; however I'm not convinced it is the best introduction to the subject. At times it can be overly dense and cumbersome with notion. Nonetheless, this is one of the best references out there. In particular, the treatment of bound states in QFT is the best I've seen. Weinberg also provides extraordinary insight into the subject.
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am 21. August 2013
Das Buch ist auf englisch geschrieben.
Ich empfehle es jedem, der Quantenfeldtheorie (QFT) lernen möchte. Das Buch ist sehr dick und man versteht die Quantenfeldtheorie erst, wenn man das Buch einmal komplett durchgelesen hat. Das dauert - natürlich je nach Studienverhalten - länger als ein Semester. Von einer kürzeren Lektüre rate ich ab. Entweder will man QFT verstehen, dann empfehle ich dieses Buch. Oder mann will QFT nicht verstehen, dann sollte man gar kein Buch lesen.
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am 7. Januar 2010
Yes, Weinberg is a genius and yes, this is an excellent treatment of qft. But most of qft-beginners will fail to learn qft from this book. One should start with a text that is more accessible, like Peskin, and then read Weinberg to get full picture. I like about the book the treatment of effective field theories and i dislike the uncommon notation the author choosed for the third book about supersymmetrie.
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am 14. Juli 1997
Weinberg is one of the greatest physicists
of this century. He is also one of the best
writers on the subject of physics. His two
volumes on quantum field theory are the best
books on this subject and probably will remain
so for many years.

A second printing of the first volume was
issued in 1996 with many minor corrections
of typographical errors.
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am 4. Januar 2013
Wunderbar, Sehr gut.meine Engelkind ist sehr zufriden.
Was soll ich mehr sagen. Gut geschriben ganz einfach zu lehrnen. Danke bey.
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