1Institut für Theoretische Physik, Universität
Erlangen-Nürnberg, Staudtstr. 7, D-91058 Erlangen
2Institut für Theoretische Physik,
Georg-August-Universität Göttingen, D-37073 Göttingen
*New address: Siemens AG, Semiconductors, Balanstr. 7,
D-81541 München
Received 9 March 1998, accepted 16 March 1998 by B. Mühlschlegel
Dedicated to Wolfgang Kundt on the occasion of his 65th birthday
Keywords: Random quantum-dynamical systems; White noise; Dissipation
1Fritz-Haber-Institut der MPG, Faradaywg 4-6,
D-14195 Berlin
2Institute of Physics, Ukrainian Academy of Sciences,
pr. Nauki 46, 252022 Kiev, C.I.S./Ukraine
Received 18 February 1998, accepted in final form 28 March 1998 by B. Mühlschlegel
Keywords: Ag cluster film; Electron emission; Photon emission; Light
1Department of Physics, Queen's University, Kingston,
Ontario K7L 3N6, Canada
2Departamento di Fisica Teorica, Universidad de
Valladolid, Valladolid 47011, Spain
Received 3 April 1998, accepted 21 April 1998 by U. Eckern
Keywords: Clusters; Tin; Lead
Institute of Physics, University of Tokyo, 3-8-1 Komaba, Tokyo 153, Japan
Received 7 April 1998, accepted 29 April 1998 by B. Kramer