Question:  Peter Schattschneider is a cientist who has specialized knowledge in the exploration of the interactions of matter and energy across what?
Sentence (from "Peter Schattschneider"): (born 1950 in Vienna) is an Austrian Physicist and Science-Fiction-Writer, currently a Professor at the Institute of Solid State Physics and a staff member of the USTEM special unit of the Vienna University of Technology.
Relevant evidence: Yes