Electron spins in a semiconductor quantum well couple to an electric field {\it via} spin-orbit interaction. We show that the standard spin-orbit coupling mechanisms can provide extraordinary efficient electron spin manipulation by an in-plane ac electric field.
@article{arxiv.cond-mat/0310192,
title = {Efficient electron spin manipulation in a quantum well by an in-plane electric field},
author = {E. I. Rashba and Al. L. Efros},
journal= {arXiv preprint arXiv:cond-mat/0310192},
year = {2009}
}