✦ LIBER ✦

Evolution of the moments and transition probability models in energy transfer processes

✍ Scribed by Eduardo A. Coronado; Juan C. Ferrero

Publisher: Elsevier Science
Year: 1996
Tongue: English
Weight: 453 KB
Volume: 257
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(96)00564-7

No coin nor oath required. For personal study only.

✦ Synopsis

The evolution of the first and second moments during collisional relaxation of an ensemble of highly vibrationally excited molecules is analysed theoretically and with numerical resolution of the master equation. Single exponential relaxation of the average excitation energy, characterised by a linear dependence on energy of the amount of energy transferred, allows one to obtain the microscopic energy transferred per collision. Also, there is always a set of independent energy transfer functions, P(E', E), which yields the same first moment. In contrast, the evolution of the spread of the energy level populations is quite different, allowing for the characterization of P(E', E) models. For a quadratic energy dependence of (A E) on E, the energy loss profiles are sensitive to the energy distribution and the microscopic first moment can be obtained only under certain conditions.

📜 SIMILAR VOLUMES

Estimation of the transfer function, tim

Estimation of the transfer function, time moments, and model parameters of a flow process

✍ G. A. Van Zee; W. M. M. Schinkel; O. H. Bosgra 📂 Article 📅 1987 🏛 American Institute of Chemical Engineers 🌐 English ⚖ 397 KB 👁 3 views

Stochastic theory of collisional energy

Stochastic theory of collisional energy transfer: nature of convergence of master equation transition probabilities and moments as a function of cumulant expansion order

✍ George C. Schatz 📂 Article 📅 1978 🏛 Elsevier Science 🌐 English ⚖ 583 KB

Electric multipole moments and transitio

Electric multipole moments and transition probabilities of single-particle states in the lead region

✍ P. Ring; R. Bauer; J. Speth 📂 Article 📅 1973 🏛 Elsevier Science 🌐 English ⚖ 743 KB

The derivation of simple transfer functi

The derivation of simple transfer function models of oscillating and inverting processes from the basic transformed equations using the method of moments

✍ F.P. Lees 📂 Article 📅 1971 🏛 Elsevier Science 🌐 English ⚖ 525 KB

The parameters of simple transfer function models of chemical processes can be obtained from the state variable models usually derived by matching the moments of the impulse response of the two models. It has been shown previously how the moments of the state variable model may be derived directly f

Shell model calculations of nuclear magn

Shell model calculations of nuclear magnetic moments and M1 transition probabilities in the 2s12 1d32 shell

✍ G. Wiechers; P.J. Brussaard 📂 Article 📅 1965 🏛 Elsevier Science ⚖ 405 KB

Optical electron transfer processes. The

Optical electron transfer processes. The dependence of intervalence line shape and transition energy on chromophore concentration

✍ Robert L. Blackbourn; Joseph T. Hupp 📂 Article 📅 1988 🏛 Elsevier Science 🌐 English ⚖ 618 KB

Optical electron transfer in the mixed-valence cation of biferrocenylacetylene (BF+ ) has been examined in CDIC12 solvent. The intervalence absorption line shape is relatively narrow at both low and high chromophore concentrations, but broader at intermediate concentrations. The transition energy fo