H.3 Hamiltonians

I suspect this to be a typo or some oversight. The negative sign shouldn’t be there.


Thank you for this observation, you are completely right. If you have a Github account, I encourage you to submit this as an issue at https://github.com/XanaduAI/Xanadu-Quantum-Codebook/issues. If you don’t have one, let me know and I can do it myself!