The density of states for interacting systems with inelastic transitions and its relation to the collision lifetime |
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| Authors: | JL Kinsey |
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| Institution: | Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA |
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| Abstract: | The quantum mechanical excess density of states ρ(E) is shown to be given in terms of the S matrix by (i/2π) Tr{SdS+/dE}, giving the relationship ρ(E) = h−1 Tr{Q}, where Q is the collision lifetime matrix of Smith. |
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