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Artificial light harvesting by dimerized M?bius ring
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NSTL
Amer Physical Soc
We theoretically study artificial light harvesting by a M?bius ring. When the donors in the ring are dimerized, the energies of the donor ring are split into two subbands. Because of the nontrivial M?bius boundary condition, both the photon and acceptor are coupled to all collective-excitation modes in the donor ring. Therefore, the quantum dynamics in the light harvesting is subtly influenced by dimerization in the M?bius 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 a calculation with the perturbation theory, which is equivalent to the Wigner-Weisskopf approximation. Our findings may be beneficial to the optimal design of artificial light harvesting.
Artificial lightharvesting by dimerizedperturbation theory
Lei Xu、Z. R. Gong、Ming-Jie Tao、Qing Ai
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Beijing Computational Science Research Center, Beijing 100084, China
School of Physical Sciences and Technology, Shenzhen University, Shenzhen 518060, China
Department of Physics, Applied Optics Beijing Area Major Laboratory, Beijing Normal University, Beijing 100875, China
NSTL
Amer Physical Soc
