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Corrections to Sept 2018 Revision of Solutions to Problems for Student Friendly Quantum Field Theory
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Sorted by Page Number: This Page |
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Sorted by Date Posted: Click Here |
Significant Corrections (may impact learning process)
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Pg |
Date Posted |
Significant Correction |
Reported by (blank = the author) |
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2-3 |
Oct 5, 2023 |
Prob. 6, 4th line down: Change “(xi)” to ““(xi,t)”. |
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5-1 |
March 30, 2024 |
Prob. 1, first part, 3rd line: all covariant components ki should be contravariant components ki. |
David Scharf |
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6-9 |
Feb 18, 2022 |
Prob. 15: Corrected solution can be found at Chap. 6 Prob 15 corrected solution |
Mikhail Denisov |
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7-1 |
Aug 13, 2019 |
Chap 7, Prob 2: I was very sloppy with this solution. There are several typos plus I used my own mental shortcut notation, which is quicker when I work alone, but is actually not quite correct and can be confusing. See corrected version Revision of Chap 7 Prob 2 solution. |
Roberto Vio |
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7-4 |
Oct 12, 2020 |
Chap. 7, Prob. 6. In the Ans (second part), 2nd line: the e^-ikx and e^ikx outside and to the right of the brackets should be deleted. In the first underbracket of that row, e^-ikx should have k primed. In the second underbracket, the summation should also be over r. |
Nadeem Afana |
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8-4 |
Nov 19, 2021 |
Chap. 8, Prob. 5. In the answer for Part a), delete the identity matrix at the end of the first line. |
Jack Freinhar |
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8-15 |
Aug 14, 2019 |
Chap 8, Prob. 15: The subscript r2 on v_bar should be s2. 3 places. To avoid confusion with the subscripts on the photon polarizations. |
Roberto Vio |
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8-15 &-16 |
Nov 19, 2021 |
Chap. 8, Probs. 15 and 16. In the last line of each solution, delete the factor of 2 in the denominator under the external fermion factor (that has m in the numerator). |
Jack Freinhar |
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8-16 |
Aug 14, 2019 |
Chap 8, Prob. 16: The subscripts ri on v and u_bar should be si. 6 places. To avoid confusion with the subscripts on the photon polarizations. |
Roberto Vio |
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13-2 |
Jan 11, 2022 |
Prob 13-4, 2nd line from bottom: A(Λ,m) → infinity should have minus sign before infinity |
Mikhail Denisov |
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14-4 |
Jan 11, 2022 |
Problem 14-7. The amplitude M(2)B3 should not have a minus sign after equal sign. Same for the modified amplitude in the next to last line. |
Mikhail Denisov |
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16-1 |
Jan 11, 2022 |
Prob 16-1: All r = 1 should be r = 2. All r = 2 should be r = 1 |
Mikhail Denisov |
Minor Corrections (should not impact learning process)
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Pg |
Date Posted |
Minor Correction |
Reported by |
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4-14 |
Oct 5, 2018 |
Third row up from bottom, middle column: The referenced equation (4-29) should be on same row aligned with right margin. |
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8-2 |
Nov 17, 2020 |
2nd line of eq (A): The first Ep term inside the square root should have p primed |
Nadeem Afana |
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8-6 |
Nov 17, 2020 |
Prob 6-6, 3rd line: The p in VEp should be primed |
Nadeem Afana |
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8-9 |
Nov 17, 2020 |
Sect. “First Type of Compton Positron …”, 1st line: delete underline on blank space |
Nadeem Afana |
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8-12 |
Nov 17, 2020 |
Under bracket on <0||0> is upside down |
Nadeem Afana |
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8-12 |
Nov 17, 2020 |
Prob. 9, first line after (P9-1): change “middle” to |
Nadeem Afana |
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8-14 |
Jan 13, 2022 |
Problem 8-13, 2nd line of answer: switch order of nu and r to match notation used elsewhere |
Nadeem Afana |