TY - JOUR KW - exciton KW - optical KW - paper KW - reflectivity AU - Matteo Gatti AU - Francesco Sottile AU - Lucia Reining BT - Phys. Rev. B DA - May DO - 10.1103/PhysRevB.91.195137 PB - American Physical Society PY - 2015 EP - 195137 T2 - Phys. Rev. B TI - Electron-hole interactions in correlated electron materials: Optical properties of vanadium dioxide from first principles UR - http://link.aps.org/doi/10.1103/PhysRevB.91.195137 VL - 91 ER -