Access
To read this story in full you will need to login or make a payment (see right).
Authors
Nature 448, xi (12 July 2007) | doi:10.1038/7150xib; Published online 11 July 2007
Abstractions
Some semiconductors and mobile-phone amplifiers include components known as two-dimensional electron systems (2DES). To design such devices, the first, fundamental piece of information you need is the energy spectrum of the system.
To read this story in full you will need to login or make a payment (see right).