Friday, April 4, 2014

We Are From The Future (3:14 version summary)

▶ We Are From The Future (3:14 version summary) - YouTube Published on Apr 3, 2014 Pi We Are From The Future by Garret John LoPorto LINKS: * http://ift.tt/Py0nk2 * http://upriser.com * http://on.fb.me/GarretJohn * http://ift.tt/1c9EQTN SCIENCE: Quantum Mechanics Explains Efficiency of Photosynthesis -- Energy transfer in light-harvesting macromolecules is assisted by specific vibrational motions of the chromophores," said Alexandra Olaya-Castro (UCL Physics & Astronomy), supervisor and co-author of the research. We found that the properties of some of the chromophore vibrations that assist energy transfer during photosynthesis can never be described with classical laws, and moreover, this non-classical behaviour enhances the efficiency of the energy transfer. The negative values in these probability distributions are a manifestation of a truly quantum feature, that is, the coherent exchange of a single quantum of energy, explained Edward O'Reilly (UCL Physics & Astronomy), first author of the study. When this happens electronic and vibrational degrees of freedom are jointly and transiently in a superposition of quantum states, a feature that can never be predicted with classical physics.



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