CAS OpenIR  > 中科院上海应用物理研究所2011-2020年
Molecular rotation-caused autocorrelation behaviors of thermal noise in water
Guo, YW; Qin, JY; Hu, JH; Cao, JH; Zhu, Z; Wang, CL
2020
Source PublicationNUCLEAR SCIENCE AND TECHNIQUES
ISSN1001-8042
Volume31Issue:6Pages:-
Subtype期刊论文
AbstractThe finite autocorrelation time of thermal noise is crucial to unidirectional transportation on the molecular scale. Therefore, it is important to understand the cause of the intrinsic picosecond autocorrelation time of thermal noise in water. In this work, we use molecular dynamics simulations to compare the autocorrelation behaviors of the thermal noise, hydrogen bonds, and molecular rotations found in water. We found that the intrinsic picosecond autocorrelation time for thermal noise is caused by finite molecular rotation relaxation, in which hydrogen bonds play the role of a bridge. Furthermore, the simulation results show that our method of calculating the autocorrelation of thermal noise, by observing the fluctuating force on an oxygen atom of water, provides additional information about molecular rotations. Our findings may advance the understanding of the anomalous dynamic nanoscale behavior of particles, and the applications of terahertz technology in measuring the structural and dynamical information of molecules in solutions.
KeywordTRANSITION DYNAMICS EVAPORATION SIMULATION TRANSPORT HYDROGEN PHASE
DOI10.1007/s41365-020-00767-w
Indexed BySCI
Language英语
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/33015
Collection中科院上海应用物理研究所2011-2020年
Affiliation1.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Shanghai Normal Univ, Coll Educ, Shanghai 200234, Peoples R China
4.Univ Shanghai Sci & Technol, Sch Opt Elect Comp Engn, Shanghai 200093, Peoples R China
5.China Three Gorges Univ, Peoples Hosp, Yichang, Peoples R China
6.Chinese Acad Sci, Shanghai Adv Res Inst, Div Interfacial Water, Shanghai 201210, Peoples R China
Recommended Citation
GB/T 7714
Guo, YW,Qin, JY,Hu, JH,et al. Molecular rotation-caused autocorrelation behaviors of thermal noise in water[J]. NUCLEAR SCIENCE AND TECHNIQUES,2020,31(6):-.
APA Guo, YW,Qin, JY,Hu, JH,Cao, JH,Zhu, Z,&Wang, CL.(2020).Molecular rotation-caused autocorrelation behaviors of thermal noise in water.NUCLEAR SCIENCE AND TECHNIQUES,31(6),-.
MLA Guo, YW,et al."Molecular rotation-caused autocorrelation behaviors of thermal noise in water".NUCLEAR SCIENCE AND TECHNIQUES 31.6(2020):-.
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