Conductivity of heavily doped Si:P under uniaxial stress

Physikalisches Institut, Univ. Karlsruhe, D-76128 Karlsruhe, e-mail: H.vL(at)phys.uni-karlsruhe.de

Received 24 September 1999, accepted 14 October 1999 by U. Eckern

Path integral quantization of the Poisson-sigma model

Univ. Dortmund, Institut fuer Physik - Theoretische Physik III, D-44221 Dortmund; e-mail: thomas(at)doom.physik.uni-dortmund.de

Received 1 September 1999, in revised form 25 October 1999, accepted 25 October 1999 by K. Fredenhagen

Path integral treatment for relativistic particles in external fields and quantized plane wave

Departement de Physique Theorique - Institut de Physique, Universite de Constantine, Route Ain El Bay, Constantine, Algeria

Received 10 May 1999, revised 20 October 1999, in final form 30 November 1999, accepted 30 November 1999 by K. Fredenhagen

Light emission from Ag cluster films excited by conduction current

Fritz-Haber-Institut der MPG, Faradayweg 4-6, D-14195 Berlin, nepijko(at)fhi-berlin.mpg.de;
and Institute of Physics, Ukrainian Academy of Sciences, 252-022 Kiev, C.I.S./Ukraine

Received 4 May 1999, revised 3 September 1999, in final form 8 November 1999, accepted 17 November 1999 by U. Eckern

Nonlinear sigma model treatment of quantum antiferromagnets in a magnetic field

Departement für Physik und Astronomie, Universität Basel, CH-4056 Basel; e-mail: normand(at)quasar.physik.unibas.ch

Received 10 November 1999, revised 20 December 1999, accepted 5 January 2000 by U. Eckern