Aug 01, 2024
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Thermodynamic Limits Around M-dwarf Stars: Increasing Antenna Size in Limited PAR
by Photosynthesis Technology: It's not just for plants! August 1st, 2024
Too Long; Didn't Read
In this study, researchers explore the feasibility and potential characteristics of photosynthetic light-harvesting on exo-planets.(1) Samir Chitnavis, School of Biological and Behavioural Sciences, Queen Mary University of London, Mile End, London E1 4NS, UK & Digital Environment Research Institute, Queen Mary University of London, Empire House, Whitechapel E1 1HH, UK;
(2) Thomas J. Haworth, Astronomy Unit, Queen Mary University of London, Mile End Road, London E1 4NS, UK;
(3) Edward Gillen, Astronomy Unit, Queen Mary University of London, Mile End Road, London E1 4NS, UK;
(4) Conrad W. Mullineaux, School of Biological and Behavioural Sciences, Queen Mary University of London, Mile End, London E1 4NS, UK;
(5) Christopher D. P. Duffy, School of Biological and Behavioural Sciences, Queen Mary University of London, Mile End, London E1 4NS, UK & Digital Environment Research Institute, Queen Mary University of London, Empire House, Whitechapel E1 1HH, UK (Email: [email protected]).
Table of Links
- Abstract and Introduction
- 2 Methodology
- 2.1 Local spectral irradiance as a function of stellar temperature
- 2.2 Thermodynamic model of an oxygenic light-harvesting system
- 2.3 Lattice model of an oxygenic light-harvesting system
- 3 Results
- 3.1 Orbital distances and incident spectral fluxes
- 3.2 Thermodynamic antenna model: Increasing antenna size in limited PAR
- 3.3 Lattice antenna model: Increasing the size of a “flat” antenna in limited PAR
- 3.4 Lattice antenna model: Improving antenna efficiency with an energetic ’funnel’
- 4 Discussion
- Acknowledgements, Author Contribution Statement, Authors disclosure statement and References
This paper is available on arxiv under CC 4.0 license.
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