Posted by A on April 1, 2014, 10:23 pm
Hi, I got stuck on the derivation of the approximate expectation of the Hamiltonian in part (b) and (c) of question 5.4: using This text on page 67 http://www.scribd.com/doc/52012078/27/Bragg%E2%80%94WilliamsApproximation uses s=m/2 and arrives at the desired form with m rather than s, but then in the problem the logs are using s as defined above. What am I doing wrong here? 
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