Mastrocinque, Giuseppe Inelastic transition probabilities by the energy fluctuation model. In: XC Congresso Nazionale S.I.F.-Società Italiana di Fisica, Settembre 2004, Brescia. (Unpublished)


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Item Type: Conference or Workshop Item (Paper)
Title: Inelastic transition probabilities by the energy fluctuation model
Number of Pages: 17
Department: Scienze fisiche
Event Type: Congresso
Event Title: XC Congresso Nazionale S.I.F.-Società Italiana di Fisica
Event Location: Brescia
Event Dates: Settembre 2004
Number of Pages: 17
Uncontrolled Keywords: Classical vs Quantum mechanics; Energy fluctuations and mass effect
Additional Information: Elaborato per una comunicazione dell'autore alla Società Italiana di Fisica, XC Congresso Nazionale, Brescia 2004, Sez. VI. Inedito
Date Deposited: 07 Feb 2012 15:30
Last Modified: 30 Apr 2014 19:46


The energy fluctuation model provides a typical expression for transition probabilities in inelastic molecular collisions, based on the definition of both a collision entropy and a density of energy states encountered in these processes. By this model, advances have already been made to improve physical understanding and consistency between classical mechanics results and quantum ones. In this work, we show practically that a semi-classically-calculated probability can always be dealt with in such a way as to result in the corresponding quantum expression. To this purpose, we assume (parametrically-evaluated) prototype functions for the entropy and density of states, and show that their forms are correlated to the energy time-law occurring in a single process. An ergodic-like property of the model is enlightened, a numerical example is provided, and general physical discussion is given step by step in the paper.


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