Table 2.

Values of the $\overrightarrow{k}\cdot \overrightarrow{p}$ parameters obtained from the nearest-neighbor tight-binding parameters.

$\overrightarrow{\mathit{k}}\cdot \overrightarrow{\mathit{p}}$ parameter	value obtained from NNTB parameters
ε 1	3.1749 · 10−2 eV
γ	2.9001 · 10−1 eV · nm
ε 3′	5.0316 · 10−1 eV
V 6	3.9049 · 10−1 eV
c 3	−2.3078 · 10−2 eV · nm2
c 4	6.6487 · 10−1 eV · nm
c 5	7.8477 · 10−2 eV · nm2
c 6	1.2379 · 10−3 eV · nm2
c 7	−7.7239 · 10−2 eV · nm2
d 1	−5.3937 · 10−2 eV
d 2	4.2190 · 10−2 eV
f 1	−1.9452 · 10−2 eV
f 2	−2.0429 · 10−2 eV
f 3	2.4443 · 10−1 eV

A $\overrightarrow{k}\cdot \overrightarrow{p}$ description with 4 bands near $\overrightarrow{K}$ and 6 bands near $\overrightarrow{\mathrm{\Gamma }}$ is considered.