Artificial Light Harvesting by Dimerized Mobius Ring
arXiv:1706.08297 · doi:10.1103/PhysRevE.97.042124
Abstract
We theoretically study artificial light harvesting by a dimerized Mobius ring. When the donors in the ring are dimerized, the energies of the donor ring are splitted into two sub-bands. Because of the nontrivial Mobius boundary condition, both the photon and acceptor are coupled to all collectiveexcitation modes in the donor ring. Therefore, the quantum dynamics in the light harvesting are subtly influenced by the dimerization in the Mobius ring. It is discovered that energy transfer is more efficient in a dimerized ring than that in an equally-spaced ring. This discovery is also confirmed by the calculation with the perturbation theory, which is equivalent to the Wigner-Weisskopf approximation. Our findings may be benificial to the optimal design of artificial light harvesting.
arXiv comment13 pages, 6 figures
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- Exact and efficient quantum simulation of open quantum dynamics for various of Hamiltonians and spectral densities
- Quantum simulation of clustered photosynthetic light harvesting in a superconducting quantum circuit
- Optical nonreciprocity in rotating diamond with nitrogen-vacancy center
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