In twisted bilayer WSe2 the energy separation between K-point and Gamma-point hole bands varies by more than 100 meV with twist angle while their momentum positions stay fixed.
Ramasubramaniam, Large excitonic effects in monolayers of molybdenum and tungsten dichalcogenides, Phys Rev B 86, 115409 (2012)
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Tuning the low-energy band structure in twisted bilayer WSe2
In twisted bilayer WSe2 the energy separation between K-point and Gamma-point hole bands varies by more than 100 meV with twist angle while their momentum positions stay fixed.