Recent content by LeeT

Hello, I'm working on a project. I need to understand every equation in a paper. I need to calculate the spatial derivative of G (d/dR), a two-particle Hamiltonian. However, G is a function of P- the density matrix and P is a function of R. Is it a "special derivative"? Here is the attached...

Hi, I'm Lee. Sorry for my English, please feel free to correct me. I'm an undergrad student from the chemistry department at Tel-Aviv University.