brombenzol123 Posted November 16, 2014 Share Posted November 16, 2014 Hi there!I try to understand and to use graphical method in the theory of angular momentum. It is not very difficult to master is fundamentals excepting a few things. The most fundamental is the following.In literature there is used the fact that Kat and Bra vectors with momentum j,m can be mutually permutated using<jm| = (-1)j-m |j, -m>. It is clear for integer j. But how to understand this fact, for example, in the case j = 1/2 ?I would be glad if somebody could give me advice.I'm absolutely novice at forums where scientific questions are discussed. So, first of all, I would be glad to see a few words about where else I can discuss such questions. What cites / forums are the most popular for these purposes?With Best Regards,Antony Gorkh. Link to comment Share on other sites More sharing options...
elfmotat Posted November 16, 2014 Share Posted November 16, 2014 It would be helpful if you mentioned what literature you've been reading. You appear to have set a bra vector equal to a ket vector, which doesn't make much sense. Link to comment Share on other sites More sharing options...
brombenzol123 Posted November 16, 2014 Author Share Posted November 16, 2014 I used the book "Graphical method of spin algebras" by E. Elbaz and B. Castel. The formula (1.2.5) chapter 1, paragraph 2. I use Russian edition, so there may be some shift. Link to comment Share on other sites More sharing options...
brombenzol123 Posted November 19, 2014 Author Share Posted November 19, 2014 I've solved the problem. The answer is here. Link to comment Share on other sites More sharing options...
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