The matrix in appendix A2 in A.9 is correct, because there we rotate the frame instead of a vector. 3.157,3.158 aren’t satisfied. Eq. The last line of Eq. (Thanks to Rudy Blyweert), On page 225 in the first Equation there should be an $a$ on the right-hand side, too. (Thanks to, On page 51 Eq. Thanks a lot for reporting the error. B.8 on the right-hand side it should read $f(a)+g(t)f'(t)|_a^x + \ldots $ instead of $f(a)+g(t)f(t)|_a^x + \ldots $. 3.53 and Eq. On page 44 in Eq. 3.120 „… investigating Lie algebra of SU(2) …“ should read „… investigating, On page 62 in the sidenote 108 “were the $\rho$-row of…” should read “w, On page 62 ”We boost the description we have, for example in frame of reference…” should read ”We boost the description we have, for example in, On page 62 „ … for three spatial dimension …“ should read „ … for three spatial dimension, On page 63 in the sidenote 10 it should read “Take not, On page 67 “It is a good thing we find addition representations …” should read “It is a good thing we find additional representations …” (Thanks to Jandro Kirkish. 3.7.7” and above Eq. ), On page 29 the comma after object in “object, we extracted” is ungrammatical (Thanks to, On page 29 ” … is called symmetry group” should be “is called a symmetry group” and ” … is called Poincare group” should be “is called a Poincare group”. ), On page 188 sidenote 24 is missing a period. But physicists are beginning to question whether focusing on symmetry is still as productive as it once was. On page 106 in Eq. 9.3“… the Klein-, On page 212 in the penultimate paragraph of section 9.2 “The creation and annihilation, On page 224 in the first sentence “Klein-, On page 235 footnote 7 “Klein Gordan” shoould read Klein-Gordon. Required fields are marked *. (Thanks to, On page 17 in the second bullet point at the bottom of the page the summation should have mu as the index rather than i: $\sum_i \rightarrow \sum_\mu$. Errata: Typographical Errors, Mistakes, and Comments Modern Quantum Mechanics, 2nd Edition J.J. Sakurai and Jim Napolitano Jim Napolitano napolj@rpi.edu December 9, 2013 Page 2. The general the aim of the course is that the student should obtain knowledge of and understanding of the importance of symmetries in physics and how these can be described by means of group theory. Yes, you’re correct! 3.87 and on page 58 Eq. 9.30 it should read $a(k)$ instead of $a$. 121 No. (Thanks to Rudy Blyweert). \rightarrow h(\theta)=I+ \frac{ dh}{d \theta }. “independent coordinates ins some” –> “independent coordinates in some”, Your email address will not be published. 3.149, there should be a $0$ in the upper-left corner instead of a $1$ and $J_i$ should read $J_x$, i.e. It includes the following: “There has been, in particle physics, this prejudice that symmetry is at the root of our description of nature,” said the physicist Justin Khoury of the University of Pennsylvania. In addition, the $=$ at the beginning of the last line should be a $\neq$ and there shouldn’t be a checkmark. I was rather bored with it, and couldn’t make much progress. This is a textbook that derives the fundamental theories of physics from symmetry. Physics and Math Errata. scattering amplitude. (Thanks to RubingBai and Markus Pernow), On page 64 in Eq. (Thanks to Zi Zhong Liu), On page 50 “Using representation theory, we able …” should read “Using representation theory, we are able …” and on the same page “…that is really were things…” should read “…that is really where things…” (Thanks to Jandro Kirkish. \frac{d^n h }{d \theta^n } \big{|}_{\theta=0 } \theta^n $ and $h(\theta)= e^{\frac{dh}{d\theta}|_{\theta=0} \theta} = \sum_n \frac{1}{n!} 3.30 the matrix representation for $j$ is wrong: $\begin{pmatrix}0& -i\\-i& 0\end{pmatrix} \rightarrow \begin{pmatrix}0& i\\ i& 0 \end{pmatrix} $, because otherwise Eq. 3.31 the elements $(1,2) $ and $(2,1)$ of the matrix are switched and in addition the error in Eq. (Thanks to Manuel Diaz), page 193 under formule 8.49, it should be $b=1$ and $a=0$. Thanks. universality class. 4.52 the index $i$ in the second term in the first line should be a superscript instead of a subscript. (Thanks to Rudy Blyweert), On page 207 Eq. (Thanks to Rudy Blyweert), On page 261: “Because of $sin(0) = 0$ every term with. 3.11 $O(3)$ and $SO(3)$ should read $O(2)$ and $SO(2)$ (Thanks to Bart Pastoor, On page 32 in Eq. I’d love to read it as well but the errata page scared me a bit. 3.38, here Eq. 3.39, the matrix should read $\begin{pmatrix}0& 1\\-1& 0\end{pmatrix}$. On page 29 “geometric shape and on” needs a comma after “shape,” because it marks the end of … The same formatting issue appears in Eq. 3.47 it should read below the two arrows: “Vector rotation by $\pi$” instead of “Vector rotation by $\frac{\pi}{2}$” (Thanks to Bart Pastoor, On page 39 in Eq. (Thanks to, On page 41 “…corresponding composition rule $\circ $, e.q …” should read “…corresponding composition rule $\circ$, e.g …” (Thanks to, On page 47 “we can really think of SU(2) as a the three sphere” should read “we can really think of SU(2) as the three sphere” (Thanks to Jonathan Wermelinger), On page 48 the last word should be “relativity” not “symmetry” (Thanks to Meïr Krukowsky.

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