Jahresbericht Forschung

58 Fakultät für Naturwissenschaften
Boundaries on {1120} Planes in GaN: a Theoretical Study”, Phys. Rev. B 58, 15347 (1998)
Elsner, J.; Gutierrez, R.; Hurahine, B.; Haugk, M.; Frauenheim, T.; Jones, R.:
“A Theoretical Study of O Chemisorption on GaN (0001)/(0001) Surfaces”, Sol. State
Comm. 108, 953 (1998)
Belitz, D.; Kirkpatrick, T.R.; Millis, A.; Vojta, T.: “Nonanalytic magnetization dependence of
the magnon effective mass in itinerant quantum ferromagnets”, Phys. Rev. B 58, 14155 (1998)
Vojta, T.: “In an Ising model with spin-exchange dynamics damage always spreads”, J. Phys. A
31, 6595 (1998)
Gagel, F.: “Finite-Temperature Evaluation of the Fermi Density Operator”, J. Comp. Phys. 139,
399 (1998)
Wissenschaftliche Vorträge:
Vojta, T.: “Computer simulation of the quantum Coulomb glass”, AvHumboldt-Seminarkolleg
Localization and Electronic States in Low-Dimensional Condensed Matter Systems, 15.01.1998,
Kurort Gohrisch
Römer, R.A.: “Two interacting particles in a one-dimensional random potential: delocalization
due to interaction”, AvHumboldt-Seminarkolleg Localization and Electronic States in Low-Dimensional
Condensed Matter Systems, 15.01.1998, Kurort Gohrisch
Grimm, U.: “Quasiperiodic Tight-Binding Models”, AvHumboldt-Seminarkolleg Localization and
Electronic States in Low-Dimensional Condensed Matter Systems, 16.01.1998, Kurort Gohrisch
Scholz, R.: “Ultrafast coherent vibronic dynamics in color centers”, AvHumboldt-Seminarkolleg
Localization and Electronic States in Low-Dimensional Condensed Matter Systems, 16.01.1998,
Kurort Gohrisch
Kleinekathöfer, U.: “Generalization of the Mapped Fourier Method to Time Dependent Problems:
Application to hydrogen atom with half-cycle pulses”, AvHumboldt-Seminarkolleg
Localization and Electronic States in Low-Dimensional Condensed Matter Systems, 16.01.1998,
Kurort Gohrisch
Schreiber, M.: “Dichtematrixtheorie des Elektronentransfers in molekularen Aggregaten”, Seminar,
Institut für Physik, 06.02.1998, Universität Augsburg
Sherman, A.: “Superconductivity and magnetic properties of the t-J model of cuprate perovskites”,
First International Conference New Theories, Discoveries and Applications of Superconductors
and Related Materials, 22.02.1998, Baton Rouge, Louisiana, USA
Schreiber, M.: “Density matrix theory of the superexchange mechanism for electron transfer in
porphyrin-quinone complexes”, Symp. Recent Trends in Modern Physics and Chemistry, MPI-
PKS, 17.03.1998, Dresden
Schreiber, M.: “Lokalisierung elektronischer Zustände in ungeordneten Materialien”, Kolloquium,
Institut für Theoret. Physik, 23.04.1998, H.-Heine-Universität Düsseldorf
Sherman, A.: “Pseudogaps and magnetic properties of the t-J model”, NATO Advanced Research
Workshop Symmetry and Pairing in Superconducters, 30.04.1998, Yalta, Ukraine
Schreiber, M.: “Localization of electronic states in disordered materials”, Institutskolloquium,
MPI für Mathematik in den Naturwissenschaften, 15.05.1998, Leipzig
Schreiber, M.: “Do interactions enhance or reduce transport in a disordered electron system?”,
2nd TMR Meeting Phase-Coherent Dynamics in Hybrid Nanostructures, 27.05.1998, Ioannina,
Griechenland
Schreiber, M.: “Interaction-dependent enhancement of the localization length for two interacting
particles in a one-dimensional random potential”, SFB 383 Miniworkshop Two (or more) interacting
particles in a disordered environment, 14.07.1998, Marburg
Schreiber, M.: “Do interactions enhance or reduce transport in a disordered electron system?”,
Int. Conf. Percolation and disordered systems, 16.07.1998, Schloß Rauischholz-hausen, Giessen
Schreiber, M.: “Localisation of electronic states in disordered materials”, Seminar, Physics