Bekele, Mulugeta (PhD)Woldu, Tesfakiros2018-07-052023-11-092018-07-052023-11-092005-07http://10.90.10.223:4000/handle/123456789/6554In this work we study the directed motion (or current) of Brownian particles in an inhomogeneous medium due to spatially periodic temperature background, and a ratchet potential with or without load. The nature of the current in our model system is discussed in detail. In particular we analyze the behavior of the current as a function of the parameters specifying our model system such as temperature, barrier height, trap potential, load and length of hot regionenA Simple thermally DrivenThesis