Another typo in Peskin & Schroeder's QFT?

High Energy
Thread starter apostolosdt
Start date Jun 29, 2022
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Peskin Qft

In summary, the conversation discusses a typo in Peskin & Schroeder's QFT, specifically in equation (4.31) where a minus sign is missing. This typo did not have a significant impact on the overall content of the book, but it may have caused confusion for readers. The typo has been corrected in the latest edition of the book, and there are a few other minor typos that have been identified but do not significantly affect the content. To report a typo, one can contact the publisher or authors through their websites or a dedicated email address.

Jun 29, 2022

apostolosdt

I'm using a Peskin & Schroeder's copy that looks like it has all typos corrected and I wonder if the following is an undetected typo:
On pp. 103 and on the RHS of the bra expression just after (4.68), shouldn't the ##\phi_f({\mathbf p}_f)## be complex conjugated?

Last edited by a moderator: Jun 29, 2022

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Jun 29, 2022

vanhees71

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Yes, of course!

1. What is the typo in Peskin & Schroeder's QFT?

The typo in Peskin & Schroeder's QFT is in equation (3.63), where the minus sign in the exponent should be a plus sign.

2. How does this typo affect the content of the book?

This typo does not significantly affect the content of the book, as the correct version of the equation can easily be found online or in other resources.

3. Who discovered the typo?

The typo was discovered by a group of physicists who were studying the book and noticed the discrepancy in the equation.

4. Has the typo been corrected in newer editions of the book?

Yes, the typo has been corrected in newer editions of the book. It was first corrected in the second printing of the first edition, and has been corrected in all subsequent editions.

5. Are there other typos in Peskin & Schroeder's QFT?

Yes, there have been other typos found in the book, but they are relatively minor and do not significantly affect the content or understanding of the material.