Review of angular moment in quantum mechanics
I've gradually realized that spin is used everywhere in theoretical physics and also mathematics. Let alone in particle physics, where all the material particles are described by spin-1/2, even in…
CFT notes by David Simmons-Duffin
I went through the first four chapters in a CFT notes by David Simmons-Duffin prepared for his lecture in Caltech, Ph229ab during the last few weeks. What is Conformal Field…
Summer vacation
From late-July to mid-September is the summer vacation of our group. I moved to a dormitory of The University of Tokyo called Kashiwa-no-ha International Village (KIV) on 21st July. So…