Direct calculation of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi mathvariant="bold">k</mml:mi><mml:mi>⋅</mml:mi><mml:mi mathvariant="bold">p</mml:mi></mml:math>parameters for wurtzite AlN, GaN, and InN
Physical review. B, Condensed matter