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10 papers · 1 filter
A Random Walk to a Non-Ergodic Equilibrium Concept
Golan Bel, Eli Barkai
Random walk models, such as the trap model, continuous time random walks, and comb models exhibit weak ergodicity breaking, when the average waiting time is infinite. The open ques…
Single Molecule Chemical Reaction: Kramers Approach Revisited
Gennady Margolin, Eli Barkai
Single molecule chemical reactions yield new insight into fluctuation phenomena which are obscured in measurement of ensemble of molecules. Kramers escape problem is investigated h…
Nonergodisity of a time series obeying Lévy statistics
Gennady Margolin, Eli Barkai
Time-averaged autocorrelation functions of a dichotomous random process switching between 1 and 0 and governed by wide power law sojourn time distribution are studied. Such a proce…
Atomic-scale surface demixing in a eutectic liquid BiSn alloy
Oleg G. Shpyrko, Alexei Yu. Grigoriev, Reinhard Streitel +6
Resonant x-ray reflectivity of the surface of the liquid phase of the BiSn eutectic alloy reveals atomic-scale demixing extending over three near-surface atomic layer…
Pairing Interactions and Gibbs Adsorption at the Liquid Bi-In Surface: A Resonant X-Ray Reflectivity Study
Elaine DiMasi, Holger Tostmann, Oleg G. Shpyrko +5
Resonant x-ray reflectivity measurements from the surface of liquid Bi22In78 find only a modest surface Bi enhancement, with 35 atomic % Bi in the first atomic layer. This is in co…
Wetting Phase Transition at the Surface of Liquid Ga-Bi alloys: An X-ray Reflectivity Study
Holger Tostmann, Oleg Shpyrko, Peter S. Pershan +3
X-ray reflectivity measurements of the binary liquid Ga-Bi alloy reveal a dramatically different surface structure above and below the monotectic temperature …