CJ on Mathematics and Science

(Quantum) Chemistry  QC is based on (Quantum) Physics QP  is based on Mathematics M in a hierarchy from fundamental to application of funda...

Textbook Standard Quantum Mechanics StdQM for an atomic system with $N$ electrons is formulated in terms of a wave function $\Psi (x_1,...,...

RealQM is an alternative version of textbook Standard Quantum Mechanics StdQM. RealQM is based on non-overlapping one-electron charge densit...

This is a follow up the post Anniversary: When Physics Went Wrong 1926 Schrödinger was very happy with his Schrödinger Equation SE for the ...

RealQM is a new form of Quantum Mechanics QM based on non-overlapping electron charge densities in 3d physical space , to be compared wit...

In textbook  Standard Quantum Mechanics StdQM t he emission spectrum of an atom (spontaneous or stimulated) of an atom consists of light of ...

Attempts to theoretically explain the observed emission spectrum of the Hydrogen atom were initiated as soon as the spectrum was observed st...

ChatGPT informs us:  So while the Nobel Prize wasn’t awarded for “superposition” in a textbook statement like “X was in state A and state B ...

Here are two quotes by Sture Nordholm world expert on theoretical chemistry concerning the theoretical understanding of the most basic of al...

The first question a curious student in a chemistry class may pose to the teacher is the following : What binds two neutral H atoms together...