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Unformatted text preview: h b ( x ( t )) = 1 if system is in B, 0 if its not in B h a ( x (0)) h b ( x ( t )) k ( t ) = h a ( x ( t )) Related to the rate at which system goes to B trxn e K A r 1 xn = k A B + K B A Since system is almost always in A or always in B, h a + h b 1 trxn For barriers < K b T , k(t) reaches a plateau because e 1 K A B = h a ( x (0)) h b ( x ( t )) h a ( x (0)) K ( t ) = ( t ) P ( x ( )) = ( t ) P ( L ) Where L is the length, P(L) is the probability v ( t ) = h b ( x ( )) AB K b T P ( L ) = e G Recall from TST G K T ST = K b T e K b T h K b T K = k b T e G h If G G q then = h v ( t ) k b T so, can pick any q, and if you calculate v(t), can back out real reaction rate. Compute v(t) from harvesting TP trajectories go from A to B h b AB So, need to (in practice) get to a constant slope very quickly...
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 Spring '03
 RogerD.Kamm

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