Detection of gaps in the energy spectrum of lithium
Kulyupin Yu. A. , Fedosenko A. F., Shatalov V. M. , Shchurenko A. I.
Two clearly defined maxima have been observed in the electron-photon emission spectrum of lithium, measured for the first time. These maxima are linked with particular features of the dispersion law for electrons in unfilled bands. It is shown that band-theory calculations can be tested by direct experiments.