TY - JOUR KW - paper KW - TDDFT AU - Santiago Rigamonti AU - Silvana Botti AU - Valérie Véniard AU - Claudia Draxl AU - Lucia Reining AU - Francesco Sottile BT - Phys. Rev. Lett. DA - Apr DO - 10.1103/PhysRevLett.114.146402 PB - American Physical Society PY - 2015 EP - 146402 T2 - Phys. Rev. Lett. TI - Estimating Excitonic Effects in the Absorption Spectra of Solids: Problems and Insight from a Guided Iteration Scheme UR - http://link.aps.org/doi/10.1103/PhysRevLett.114.146402 VL - 114 ER -