Brillouin zone unfolding of Complex Bands in a nearest neighbour Tight Binding scheme

Arvind Ajoy, Kota V R M Murali, Shreepad Karmalkar

Complex bands ${\vec{k}}^{\perp }(E)$ in a semiconductor crystal, along a general direction $\vec{n}$, can be computed by casting Schrödinger's equation as a generalized polynomial ei…