G. Zimmerman Research in superconductivity is concentrated on the high power applications of high-temperature superconducting materials.
Research is conducted on contacts between high T c materials, and normal and superconducting metals.
In this investigation, one finds analogues to semiconducting systems. Another problem in the utilization of high Tc superconductors is the rapid deterioration of the current carrying capacity with the application of a magnetic field. Magnetic shielding is being developed. In order to understand this problem, Zimmerman and his group are performing computer simulations of the behavior of arrays of superconducting islands connected by Josephson junctions. Practical applications of High transition temperature superconductors are explored and prototype devices developed.