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When light shines on materials, pairs of interacting electrons and holes called excitons are generatedExcitonic materials are widely used in photovoltaics, catalysis, transport, quantum information science, and more. Involved excited-state phenomena are strongly related to materials structure and composition, influencing the exciton spatial confinement and lifetime due to dynamic processes such as multi-exciton generation, Auger recombination, exciton-exciton annihilation, and charge separation. 

Our group develops and applies advanced many-body computational approaches to study exciton phenomena in materials of complex structure. We wish to understand underlying interactions composing and evolving the excited states, and their relation to materials structure and design.