Authors: François Barriquand
Abstract. A special statistical model illustrates how an object moving in one dimension, embedded in a tubular structure, can progress anisotropically towards a single direction and produce work. The anisotropic motion of the object is fueled by the thermal fluctuations originating from an ordinary thermal bath, whose coupling with the object depends in a carefully adjusted way on the position of the object itself. A limiting case of this scenario can be solved exactly in a very simple way. From a global physical point of view, it is justified to say that the object and its environment become ever more correlated as time increases ; surprisingly, however, the infinite topology of the system makes it theoretically possible for the object to continue its anisotropic progression at an unabated speed during an infinite time.
Comments: 10 Pages.
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