Eliazar, Iddo; Klafter, Joseph - In: Physica A: Statistical Mechanics and its Applications 361 (2006) 2, pp. 373-393
A diffuser traversing an infinitely steep ‘potential slide’ might never overcome it. In such cases, the notion of First Passage Time—‘how long would it take till the diffuser surmounts the slide?’—is inadequate. Rather, the notion of relevance is that of Peak Height—‘how high-up...