Electronic Structure of the Cubic Compounds ReGa₃ (Re = Er, Tm, Yb, and Lu)

Table 4

Density of electrons, inverse band mass, mean value of the inner product grad𝜖_𝑛𝑘⋅grad𝜖_𝑛𝑘, band plasma frequency 𝜔_{𝑝𝑙,𝑏}, free plasma frequency 𝜔_{𝑝𝑙,𝑓}, and the ratio of the compounds' static conductivities to the conductivity of Cu at room temperature. All in atomic units.

Cu	0.23481	.074400	1.07386	0.6677	3.4617	1.0
Er	0.06148	0.01096	0.00290	0.1301	1.7579	0.00270
Tm	0.06419	0.02502	0.02131	0.2008	1.7962	0.01985
Yb	0.06544	0.12338	0.7997	0.4505	1.8137	0.74484
Lu	0.06743	0.16256	0.6861	0.5249	1.8410	0.63904