Long-lived quantum coherence and non-Markovianity of photosynthetic complexes.
Long-lived quantum coherence in photosynthetic pigment-protein complexes has recently been reported at physiological temperature. It has been pointed out that the discrete vibrational modes may be responsible for the long-lived coherence. Here, we propose an analytical non-Markovian model to explain the origin of the long-lived coherence in pigment-protein complexes. We show that the memory effect of the discrete vibrational modes produces a long oscillating tail in the coherence. We further use the recently proposed measure to quantify the non-Markovianity of the system and find out the prolonged coherence is highly correlated to it.
Department of Physics and National Center for Theoretical Sciences, National Cheng Kung University, Tainan 701, Taiwan.
Hong-Bin
HB
Chen
Department of Physics and National Center for Theoretical Sciences, National Cheng Kung University, Tainan 701, Taiwan and Department of Engineering Science and Supercomputing Research Center, National Cheng Kung University, Tainan 701, Taiwan.
Jiun-Yi
JY
Lien
Department of Engineering Science and Supercomputing Research Center, National Cheng Kung University, Tainan 701, Taiwan.
Chi-Chuan
CC
Hwang
Department of Physics and National Center for Theoretical Sciences, National Cheng Kung University, Tainan 701, Taiwan.
Yueh-Nan
YN
Chen
D001683:Biological Clocks / Q000502:physiology* / Q000528:radiation effects; D003198:Computer Simulation; D008027:Light; D008954:Models, Biological; D008956:Models, Chemical; D010788:Photosynthesis / Q000502:physiology* / Q000528:radiation effects; D045322:Photosynthetic Reaction Center Complex Proteins / Q000737:chemistry* / Q000502:physiology* / Q000528:radiation effects; D011789:Quantum Theory
D045322:Photosynthetic Reaction Center Complex Proteins