Why is it that when normal ordering the terms in the Hamiltonian for bosons, the commutation rules are ignored, but when normal ordering fermion operators the anti-commutation rules are used to justify a change in sign?
Thanks, that paper is a really good one. I have not gotten all the way through it yet so don't know if it answers the main question, but very useful in any case.Originally posted by Tom
Here is an easy-to-read document that will be of some assistance:
I will get back to this later with a more definitive post.