Someday I'd like to understand the quantum field theory

I read a book that "The paradox of 'Schrödinger's Cat' has been solved". I learned a lot and I had many things I under...

I picked up the book, "Quantum field theory: focusing on invariance and free field (quantum mechanics selection book)".  What...

In many textbooks of quantum mechanics often seen, Plank's radiation law is derived by the original method assuming a group of harmonic ...

* Why is the sky of Mars red and the sunset is blue? I have this question. For that, first of all I would like to be able to understand th...

Riemann zeta function $$\begin{equation}  \zeta(s) = \sum_{n=1}^\infty \frac{1}{n^s} \end{equation}$$