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Energies 2016, 9(12), 1063; doi:10.3390/en9121063

Realistic Quantum Control of Energy Transfer in Photosynthetic Processes

1
Department of Chemistry, Faculty of Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia
2
Center for Nanoscale Science and Engineering, Departments of Chemistry and Chemical and Environmental Engineering, University of California, Riverside, CA 92521-0403, USA
3
Physics Department, King Abdulaziz University, Jeddah 21589, Saudi Arabia
4
Physics Department, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
5
Mathematics Department, Faculty of Science, Taif University, Taif 009662, Saudi Arabia
6
Department of Physics, College of Science, Al Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh 009661, Saudi Arabia
7
Lithography in Devices Fabrication and Development Research Group, DSR, King Abdulaziz University, Jeddah 21589, Saudi Arabia
*
Author to whom correspondence should be addressed.
Academic Editor: Thomas E. Amidon
Received: 28 October 2016 / Revised: 4 December 2016 / Accepted: 6 December 2016 / Published: 15 December 2016
(This article belongs to the Collection Bioenergy and Biofuel)
View Full-Text   |   Download PDF [3291 KB, uploaded 15 December 2016]   |  

Abstract

The occurrence of coherence phenomenon as a result of the interference of the probability amplitude terms is among the principle features of quantum mechanics concepts. Current experiments display the presence of quantum techniques whose coherence is supplied over large interval times. Specifically, photosynthetic mechanisms in light-harvesting complexes furnish oscillatory behaviors owing to quantum coherence. In this manuscript, we study the coherent quantum energy transfer for a single-excitation and nonlocal correlation in a dimer system (donor+acceptor) displayed by two-level systems (TLSs), interacting with a cavity field with a time-dependent coupling effect considering the realistic situation of coupling between each TLS and the cavity field. We analyze and explore the specific conditions which are viable with real experimental realization for the ultimate transfer of quantum energy and nonlocal quantum correlation. We show that the enhancement of the probability for a single-excitation energy transfer greatly benefits from the energy detuning, photon-number transition, classicality of the field, and the time-dependent coupling effect. We also find that the entanglement between the donor and acceptor is very sensitive to the physical parameters and it can be generated during the coherent energy transfer. View Full-Text
Keywords: quantum effects in biology; energy transfer; dipole-dipole interaction; time-dependent coupling effect; quantum correlations quantum effects in biology; energy transfer; dipole-dipole interaction; time-dependent coupling effect; quantum correlations
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MDPI and ACS Style

El-Shishtawy, R.M.; Haddon, R.; Al-Heniti, S.; Raffah, B.; Abdel-Khalek, S.; Berrada, K.; Al-Hadeethi, Y. Realistic Quantum Control of Energy Transfer in Photosynthetic Processes. Energies 2016, 9, 1063.

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