Cocho, G.; Cruz, A.; Martı́nez-Mekler, G.; … - In: Physica A: Statistical Mechanics and its Applications 327 (2003) 1, pp. 151-156
We show that a rudimentary model of two complementary polymer chains confined to a quasi-one-dimensional geometry, each one interacting separately with a fixed particle via a ratchet potential, can be reformulated in terms of one polymer subject to a ratchet potential produced by its interaction...