sentence1: coherent random walk models approach the problem of energy transfer with the view that the probability of transfer depends on the exciton being ejected from energy minima in which it comes unstuck , by coupling to a thermal bath .
sentence2: coherent random walk proposals approach the problem of energy transfer from the viewpoint that the probability of transfer depends on the exciton being ejected from energy minima where it comes unstuck , through coupling to a thermal bath .