Plotting exciton wavefunction

The exciton wavefunction can be written as $\psi_\lambda\left(r_e,r_h\right)=\sum_{vc} A_{vc}^\lambda \psi_v(r_h)\psi_c^*(r_e)$ and depends on coordinates of a hole as well as an electron, thus two coordinates. In order to represent this function in 3D space we need to fix either the position of the electron $\psi_\lambda(r^*_e,r_h)$ or that of the hole $\psi_\lambda(r_e,r^*_h)$

Charge density of the first bright exciton in hBN.

Related tags and sections

CHGCAR, NBSEEIG, BSEHOLE, BSEELECTRON, BSE