The Transition State in Chemical Kinetics

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Femtosecond vibrational transition-state dynamics in a chemical reaction

When excited directly, complexes in transition states undergo nuclear motions characteristic of bound, quasibound, or unbound dynamics. In elementary reactions, the motions are on the femtosecond time scale and depend on the dimensionality of the potential.’ For example, in the reaction ABA*+ +A+& there are two relevant coordinates that describe the motion of the triatomic transition state spec...

Chemical Kinetics in the Past Few Decades.

The task before me is to speak of the evolution during the last few decades of the branch of physical chemistry which treats of the intimate mechanism of chemical reactions. The nature of the present occasion seems to call for a survey taken from a rather more personal point of view than is normally desirable or proper. Since the Swedish Academy of Sciences has done me the great honour of bring...

Chemical Kinetics in Cold Plasmas

Termination Problems in Chemical Kinetics

We consider nondeterministic and probabilistic termination problems in a process algebra that is equivalent to basic chemistry. We show that the existence of a terminating computation is decidable, but that termination with any probability strictly greater than zero is undecidable. Moreover, we show that the fairness intrinsic in stochastic computations implies that termination of all computati...