Several mathematical descriptions of the fluorescence spectra of liquid dye solutions have been proposed [1-6]. Recently we proposed a new one for some liquid coumarin solutions [7], in which we used the concept that the dye molecule, together with the surrounding solvent forms a kind of quasi-molecule. This concept was known for a long time [8]. The total energy of such a quasi-molecule consis...

Kwanghsi Wang and V. McKoy Arthur Amos Noyes Laboratory of Chemical Physics, California Institute of Technology, Pasadena, California 91125 (Received 1 December 1995) Using N2 2s21 u photoionization as an example, we present the first measurements and calculations of photoion vibrational distributions for an extended energy range (5 # Ek # 230 eV). The results show a striking breakdown of the F...

Fabio Cavaliere,1 Eros Mariani,2,3 Renaud Leturcq,4,5 Christoph Stampfer,4,6 and Maura Sassetti1 1CNR-SPIN and Dipartimento di Fisica, Università di Genova, Via Dodecaneso 33, 16146 Genova, Italy 2Institut für Theoretische Physik, Freie Universität Berlin, Arnimallee 14, 14195 Berlin, Germany 3School of Physics, University of Exeter, Stocker Road, Exeter EX4 4QL, United Kingdom 4Laboratory for ...

A model is developed which explains the collective plasma phenomena associated with the extended Franck-Hertz experiment described in an earlier paper by Nicoletopoulos [Eur. J. Phys. 23, 533 (2002)]. The particular focus is on the formation of the free steady-state monotonic double layer. The approach used is a Bernstein-Greene-Kruskal theory in which one postulates the space potential and a s...