Quantum Optics Laboratory

Abstract:

Nanometer (nm) is the length scale of the materials science and mega parsec (Mpc, 1pc ~ 3 Light years) is the length scale of the cosmological physics in our universe. It is usually hard for people to think of these two extreme ends together, however the fundamental principles, like quantum mechanics and classical mechanics, play an important role in these two distinct areas. I am going to introduce my recent works on the following two topics. I will first report the results I worked with the semiconductor group at Physics department of NTU including the insulator-quantum hall transition in multilayer graphene and a numerical simulation scheme comparing the theoretical calculation with the experimental results of universal conductance fluctuations (UCFs) in a two-dimensional electron gas (2DEG). In the second part of my talk, I will introduce my work with the computational astrophysics group in NTU. I used the same numerical scheme that extends to 3+1 dimensions to look into the dynamics of quantum turbulence and solitons in superfluid. After that I shall introduce how we applied this technique to our recent work in the study of dwarf galaxies formed by bosonic scalar field dark matter.