FRINK Linked Data Fragments server

Matches in SemOpenAlex for { <https://semopenalex.org/work/W2045231877> ?p ?o ?g. }

• W2045231877 abstract "We generalize the nonlinear Langevin equation theory of activated single particle dynamics to describe the correlated motion of two tagged spherical particles in a glass- or gel-forming fluid as a function of their initial separation. The theory is built on the concept of a two-dimensional dynamic free energy surface which quantifies the forces on two particles moving in a cooperative manner. For the hard sphere fluid, above a threshold volume fraction we generically find two relaxation channels corresponding largely, but not exclusively, to a center-of-mass-like displacement and a radial separation of the two tagged particles. The entropic barriers and mean first passage times are computed and found to systematically vary with volume fraction and initial particle separation; both oscillate as a function of the latter in a manner related to the equilibrium pair correlation function. A dynamic correlation length is estimated as the length scale beyond which the two-particle activated dynamics becomes uncorrelated in space and time, and is found to modestly grow with increasing mean relaxation time. The theory is also applied to a simplified model of cage escape, the elementary step of structural relaxation. Predictions for characteristic relaxation times, translation-relaxation decoupling, and stretched-exponential decay of time correlation functions are obtained. A novel mechanism for understanding why strong decoupling emerges in the activated regime, but stretched nonexponential time correlation functions do not change shape as the mean relaxation time grows, is presented and favorably compared with experiment. The theory may serve as a starting point for constructing a predictive model of multiple correlated caging and hopping (forward and backward) events of a pair of tagged particles." @default.
• W2045231877 created "2016-06-24" @default.
• W2045231877 creator A5010013003 @default.
• W2045231877 creator A5045572539 @default.
• W2045231877 date "2011-02-14" @default.
• W2045231877 modified "2023-09-26" @default.
• W2045231877 title "Theory of correlated two-particle activated glassy dynamics: General formulation and heterogeneous structural relaxation in hard sphere fluids" @default.
• W2045231877 cites W1973753375 @default.
• W2045231877 cites W1974178725 @default.
• W2045231877 cites W1974195642 @default.
• W2045231877 cites W1977223221 @default.
• W2045231877 cites W1978608274 @default.
• W2045231877 cites W1986686535 @default.
• W2045231877 cites W1987565940 @default.
• W2045231877 cites W1991845749 @default.
• W2045231877 cites W1992050195 @default.
• W2045231877 cites W1994705922 @default.
• W2045231877 cites W1996208530 @default.
• W2045231877 cites W1999906744 @default.
• W2045231877 cites W2002622418 @default.
• W2045231877 cites W2005060555 @default.
• W2045231877 cites W2006114000 @default.
• W2045231877 cites W2007001643 @default.
• W2045231877 cites W2008483391 @default.
• W2045231877 cites W2008587132 @default.
• W2045231877 cites W2010235903 @default.
• W2045231877 cites W2018002463 @default.
• W2045231877 cites W2022728867 @default.
• W2045231877 cites W2024765702 @default.
• W2045231877 cites W2025672520 @default.
• W2045231877 cites W2026583846 @default.
• W2045231877 cites W2027206367 @default.
• W2045231877 cites W2028457175 @default.
• W2045231877 cites W2032158620 @default.
• W2045231877 cites W2035961843 @default.
• W2045231877 cites W2042399894 @default.
• W2045231877 cites W2050090163 @default.
• W2045231877 cites W2050945279 @default.
• W2045231877 cites W2052135930 @default.
• W2045231877 cites W2053893171 @default.
• W2045231877 cites W2057099677 @default.
• W2045231877 cites W2057391942 @default.
• W2045231877 cites W2058167083 @default.
• W2045231877 cites W2058614470 @default.
• W2045231877 cites W2061151990 @default.
• W2045231877 cites W2063039567 @default.
• W2045231877 cites W2063481740 @default.
• W2045231877 cites W2068068631 @default.
• W2045231877 cites W2068493779 @default.
• W2045231877 cites W2072373539 @default.
• W2045231877 cites W2077798099 @default.
• W2045231877 cites W2081641111 @default.
• W2045231877 cites W2082312175 @default.
• W2045231877 cites W2085266415 @default.
• W2045231877 cites W2087469692 @default.
• W2045231877 cites W2087917262 @default.
• W2045231877 cites W2089026031 @default.
• W2045231877 cites W2090249662 @default.
• W2045231877 cites W2092144432 @default.
• W2045231877 cites W2094858624 @default.
• W2045231877 cites W2101961372 @default.
• W2045231877 cites W2107216861 @default.
• W2045231877 cites W2109469408 @default.
• W2045231877 cites W2117959730 @default.
• W2045231877 cites W2118032855 @default.
• W2045231877 cites W2122303070 @default.
• W2045231877 cites W2154617795 @default.
• W2045231877 cites W2160340689 @default.
• W2045231877 cites W2161814474 @default.
• W2045231877 cites W2162653376 @default.
• W2045231877 cites W2170797104 @default.
• W2045231877 cites W3099106531 @default.
• W2045231877 cites W3099640086 @default.
• W2045231877 cites W3099775835 @default.
• W2045231877 cites W3099949241 @default.
• W2045231877 cites W3100822334 @default.
• W2045231877 cites W3102540424 @default.
• W2045231877 cites W3103743965 @default.
• W2045231877 cites W3104623136 @default.
• W2045231877 doi "https://doi.org/10.1063/1.3533368" @default.
• W2045231877 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/21322714" @default.
• W2045231877 hasPublicationYear "2011" @default.
• W2045231877 type Work @default.
• W2045231877 sameAs 2045231877 @default.
• W2045231877 citedByCount "9" @default.
• W2045231877 countsByYear W20452318772012 @default.
• W2045231877 countsByYear W20452318772013 @default.
• W2045231877 countsByYear W20452318772015 @default.
• W2045231877 countsByYear W20452318772017 @default.
• W2045231877 countsByYear W20452318772018 @default.
• W2045231877 countsByYear W20452318772020 @default.
• W2045231877 crossrefType "journal-article" @default.
• W2045231877 hasAuthorship W2045231877A5010013003 @default.
• W2045231877 hasAuthorship W2045231877A5045572539 @default.
• W2045231877 hasConcept C111368507 @default.
• W2045231877 hasConcept C121332964 @default.
• W2045231877 hasConcept C121864883 @default.
• W2045231877 hasConcept C127313418 @default.
• W2045231877 hasConcept C127413603 @default.
• W2045231877 hasConcept C133386390 @default.

• next