Quantum phase transitions in electronic systems

Institut für Physik, TU Chemnitz, D-09107 Chemnitz; e-mail: vojta(at)physik.tu-chemnitz.de

Received 29 October 1999, accepted 1 January 2000 by B. Kramer

Resolution deterioration in emission electron microscopy due to object roughness

Kiev, Ukraine; Moscow, Russia; Mainz, Germany; Hüstetten, Germany; Dalian, China
e-mail: nepijko(at)mail.uni-mainz.de

Received 28 December 1999, accepted 6 March 2000 by U. Eckern

Factor structure of the Tomimatsu-Sato solutions and their recurrence relations

Dept. Math. Sciences, Loughborough University, Loughborough, LE11 3TU, UK; e-mail: C.A.Hoenselaers(at)lboro.ac.uk

Received 2 December 1999, accepted 25 January 2000 by F. W. Hehl

Dislocation theory as a 3-dimensional translation gauge theory

Institut für Theoretische Physik, Universität Leipzig, D-04009 Leipzig; e-mail: lazar(at)itp.uni-leipzig.de

Received 3 January 2000, accepted 27 January 2000 by F. W. Hehl

Singularity structure of the two point function of the free Dirac field on a globally hyperbolic spacetime

Deutsches Elektronen-Synchrotron DESY, Notkestrasse 85, D-22603 Hamburg; e-mail: kai.kratzert(at)desy.de

Received 10 March 2000, accepted 16 March 2000 by K. Fredenhagen