Hidden correlations and the behavior of the dynamic structure at short times | Zendy

George D. J. Phillies | Zendy

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Hidden correlations and the behavior of the dynamic structure at short times

Author(s) -

George D. J. Phillies

Publication year - 1984

Publication title -

the journal of chemical physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.071

H-Index - 357

eISSN - 1089-7690

pISSN - 0021-9606

DOI - 10.1063/1.446707

Subject(s) - statistical physics , covert , structure factor , physics , derivative (finance) , mathematics , condensed matter physics , philosophy , linguistics , financial economics , economics

Reexamination of methods for calculating the initial slope of the dynamic structure factor demonstrates the importance of covert correlations between the motions and subsequent positions of interacting colloidal particles. These correlations, whose existence has hitherto not been explicitly emphasized, explain the numerical discrepancies between one‐ and two‐time derivative methods for calculating dS(k,t)/dt. A method for avoiding artifacts due to these correlations is presented

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