TY - RPRT TI - Massively parallel GPU enabled third-order cluster perturbation excitation energies for cost-effective large scale excitation energy calculations AU - Hillers-Bendtsen, Andreas Erbs AU - Bykov, Dmytro AU - Barnes, Ashleigh AU - Liakh, Dmitry AU - Corzo, Hector H. AU - Olsen, Jeppe AU - Jørgensen, Poul AU - Mikkelsen, Kurt V. PY - 2023 DO - 10.1063/5.0142780 UR - https://www.osti.gov/biblio/1997774 ID - 1997774 ER -