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Alexandra Olaya-Castro

Researcher at University College London

Publications -  59
Citations -  4329

Alexandra Olaya-Castro is an academic researcher from University College London. The author has contributed to research in topics: Quantum & Coherence (physics). The author has an hindex of 21, co-authored 58 publications receiving 3828 citations. Previous affiliations of Alexandra Olaya-Castro include University of Los Andes & University of Oxford.

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Lessons from nature about solar light harvesting

TL;DR: The principles learned from studies of various natural antenna complexes are described and how to elucidate strategies for designing light-harvesting systems are suggested to be used for solar fuel production, to direct and regulate excitation energy flow using molecular organizations that facilitate feedback and control, or to transfer excitons over long distances.
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Efficiency of energy transfer in a light-harvesting system under quantum coherence

TL;DR: In this article, the role of quantum coherence in the efficiency of excitation transfer in a ring-hub arrangement of interacting two-level systems was investigated, mimicking a light harvesting antenna connected to a reaction center as it is found in natural photosynthetic systems.
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Non-classicality of the molecular vibrations assisting exciton energy transfer at room temperature

TL;DR: In prototype dimers present in a variety of photosynthetic antennae, efficient vibration-assisted energy transfer in the sub-picosecond timescale and at room temperature can manifest and benefit from non-classical fluctuations of collective pigment motions.
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Energy transfer from Förster-Dexter theory to quantum coherent light-harvesting

TL;DR: In this paper, the authors provide some foundations and perhaps inspirations for new directions of research in the field of energy transfer in multichromophoric systems, and highlight open problems in describing energy transfer beyond standard approximations as well as the need of new approaches to ch...