The first measurements of the angular dependence of the g factors for spin Zeeman splitting for individual quantum states in quantum dots were made. The results verify the predictions that spin-orbit coupling can cause the spin properties of quantum states to depend sensitively on the direction of an applied magnetic field. By comparing the g factors between different quantum states in the same nanoparticle, large variations both in angular dependence as well as magnitude are seen, supporting the picture that the strong anisotropies arise from the intrinsic random variations of quantum-mechanical wave functions.
|Original language||English (US)|
|Journal||Physical review letters|
|State||Published - Oct 7 2002|
All Science Journal Classification (ASJC) codes
- Physics and Astronomy(all)