Ph.D., University of Bayreuth, 1989. Nonlinear science with special
emphasis
on dissipative pattern forming systems, nonlinear nonequilibrium phenomena
in fluid-mechanical systems, convection of simple and complex fluids,
turbulence, and morphological instabilities.
Our general interest is in nonlinear science with special emphasis on
dissipative pattern-forming systems and fully developed turbulence.
Currently our research is focused on the experimental and theoretical investigation of spatiotemporal chaos in thermal convection, vibration of smectic liquid crystal layers,
morphological instabilities in the directional solidification of alloys, the geomorphological structure at the mid ocean ridges,
and the investigation of the Lagrangian properties of fully developed turbulence. In this active field of
physics there is a very close contact between experimentalists and
theorists. This enables us to compare our experimental results with both
rigorous theory and general theoretical models. The experimental methods
used and being developed are: thermal control and temperature measurements, optical methods like
shadowgraphy and video microscopy (DIC, Phase Contrast, Hofmann Interference Contrast,fluorescence), digital image processing, and the development of high speed imagers.
Graduate Students: Karen Daniels, Rolf Ragnarsson, Brian Utter, Greg Voth.
Postdoctoral Associate: Arthur LaPorta.
Joel Brock, Applied and Enineering Physics, Cornell, vibrating smectic layers.
Werner Pesch, Theoretical Physics II, University of Bayreuth, Germany, thermal convection and spatio-temporal chaos.
Sarah Tebbens, Department of Marine Science, St. Petersburg, Florida, geomorphological structure of the mid ocean ridges.
Experimental Condensed Matter Physics - Nonlinear Nonequilibrium Systems
More info is available at the group's
homepage.
Members of this group:
Undergraduate Students: William Bertsche, Ilarion Melnikov.
Current collaborations:
Jim Alexander, Laboratory of Nuclear Studies, Cornell, Lagrangian measurements of turbulent flows.
Last modified: 12/15/98