![]() “ Note that Appendix B clarifies some subtle ![]() ![]() 7.6, you may wish to read Appendix B, to seeĪfter the first paragraph under Fig. “ We caution the reader that we are being a bitĬavalier mathematically here, since H I Iĭoing it this way should help make things easier to understand at this point,īut after finishing Sect. Problem is confusing, at the least, since a correct answer requires readingĪt the end of the paragraph containing (7-60), insert The second part (last paragraph) of Prob. 14ĭo not try these problems as found in the text.Ģ8, gamma matrix superscript “0” should be “1”. (13-28) the subscript r_3 \nu should be r_3 \etaġ3, 14 and 15 have been revised. Should include the virtual photon, but not the external electron and positron Other Uses, delete “It also can … 14 and 15.)”ġ3-1, the RH digram, the brace on the right should not extend down so far. An expanded,Įasier-to-understand version is at the link clearer Of Ward identities is sketchy and hard to understand. Type … 2 others with different” with “two d But it is not an operator matrix function.)” Sentence in parentheses to “(To be precise it is a numeric spinor space 5-2, B would be perpendicular to it ( x^1 direction) and E would be parallel.” “time derivative” insert “of the expectation value”ġ st sentence at top of page with “For A aligned with the epsilon_2^mu direction in Fig. Last sentence above “Expectation Values for O as a Quantum Field”, after (Replaces post that was up for a few hours Nov 12.)ģ-6 caption, delete minus sign before delta^ Margin note next to above to “Relativistic or non-relativistic scattering”ĭerivation from ((3-44) to (3-47) has been revised to make it clearer andĥ2-53 revised. Sentence under that heading to “Since p^2īecomes the Mott scattering relation, good for relativistic or Heading “Relativistic (Mott) Scattering” to “Mott Scattering (any energy See revised pgs at link: Chap_17_revised_pgs_472-473 (17-134) to (17-143) have been changed to make them (much) easier to Since we don’t yet have any Feynman rules for this.). The Appendix, we derive the transition amplitude for the RH diagram of Fig.ġ6-3, i.e., for scattering by an static external field, via the longĭyson-Wicks expansion method (rather than the short way of Feynman rules, Of pg and continuing on to top of pg 416, change “It turns out….we could” to Top of pg 386 to just before Sect 15.4.3 on pg 387 has been revised to be Refers only to one of the three simple loops shown above.” However, the term loop in QFT, generally, and in this book, always, ![]() 9-6, though there is what we might call a “loop”. Under the heading “Other Diagrams”, replace the 2 ndĪre no simple loops (i.e., photon loop, fermion loop, or vertex loopĪs shown above) in Fig. The same after the third equal sign in the row. (5-35), lower line, after first equal sign, switch mu and nu superscripts. ![]() (covariant, subscript) should be j^ i (contravariant, superscript) Significant Corrections (may impact learning Users also need to check 2 nd edition corrections page for Note: 1) All changes listed here are included in 2nd edition. Date Sorted Corrections to First Edition of ![]()
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