YIC-IR
Quantum phase synchronization via exciton-vibrational energy dissipation sustains long-lived coherence in photosynthetic antennas
Zhu, Ruidan1; Li, Wenjun2,3; Zhen, Zhanghe1,2; Zou, Jiading1,3; Liao, Guohong1,3; Wang, Jiayu1,3; Wang, Zhuan1; Chen, Hailong1,3,4; Qin, Song2,3; Weng, Yuxiang1,3,4
Source PublicationNATURE COMMUNICATIONS
2024-04-12
Volume15Issue:1Pages:10
DOI10.1038/s41467-024-47560-6
Corresponding AuthorQin, Song(sqin@yic.ac.cn) ; Weng, Yuxiang(yxweng@iphy.ac.cn)
AbstractThe lifetime of electronic coherences found in photosynthetic antennas is known to be too short to match the energy transfer time, rendering the coherent energy transfer mechanism inactive. Exciton-vibrational coherence time in excitonic dimers which consist of two chromophores coupled by excitation transfer interaction, can however be much longer. Uncovering the mechanism for sustained coherences in a noisy biological environment is challenging, requiring the use of simpler model systems as proxies. Here, via two-dimensional electronic spectroscopy experiments, we present compelling evidence for longer exciton-vibrational coherence time in the allophycocyanin trimer, containing excitonic dimers, compared to isolated pigments. This is attributed to the quantum phase synchronization of the resonant vibrational collective modes of the dimer, where the anti-symmetric modes, coupled to excitonic states with fast dephasing, are dissipated. The decoupled symmetric counterparts are subject to slower energy dissipation. The resonant modes have a predicted nearly 50% reduction in the vibrational amplitudes, and almost zero amplitude in the corresponding dynamical Stokes shift spectrum compared to the isolated pigments. Our findings provide insights into the mechanisms for protecting coherences against the noisy environment. Photosynthesis in biological systems occurs in a noisy environment that reduces the lifetime of coherences in the excitation energy transfer. Here the author demonstrate that long-lasting coherences are protected by quantum phase synchronization, realized in dimers by exciton-vibrational coupling where energy dissipation occurs predominantly in resonant anti-symmetric collective modes.
Funding OrganizationNational Natural Science Foundation of China (National Science Foundation of China) ; Natural Science Foundation of China ; Strategic Priority Research Program ; Natural Science Foundation of Shandong Province
Indexed BySCI
Language英语
WOS KeywordCRYSTAL-STRUCTURE ; ALLOPHYCOCYANIN ; DYNAMICS ; SPECTROSCOPY ; CHROMOPHORE ; COMPLEXES ; RESONANCE ; SPECTRA
WOS Research AreaScience & Technology - Other Topics
WOS IDWOS:001202032900016
Citation statistics
Document Type期刊论文
Identifierhttp://ir.yic.ac.cn/handle/133337/35342
Collection中国科学院烟台海岸带研究所
Corresponding AuthorQin, Song; Weng, Yuxiang
Affiliation1.Chinese Acad Sci, Inst Phys, Lab Soft Matter Phys, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai 264003, Shandong, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Songshan Lake Mat Lab, Dongguan 523808, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Zhu, Ruidan,Li, Wenjun,Zhen, Zhanghe,et al. Quantum phase synchronization via exciton-vibrational energy dissipation sustains long-lived coherence in photosynthetic antennas[J]. NATURE COMMUNICATIONS,2024,15(1):10.
APA Zhu, Ruidan.,Li, Wenjun.,Zhen, Zhanghe.,Zou, Jiading.,Liao, Guohong.,...&Weng, Yuxiang.(2024).Quantum phase synchronization via exciton-vibrational energy dissipation sustains long-lived coherence in photosynthetic antennas.NATURE COMMUNICATIONS,15(1),10.
MLA Zhu, Ruidan,et al."Quantum phase synchronization via exciton-vibrational energy dissipation sustains long-lived coherence in photosynthetic antennas".NATURE COMMUNICATIONS 15.1(2024):10.
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