University of Waterloo
200 University Avenue West
Waterloo, Ontario, Canada N2L 3G1
Phone: (519) 888-4567 ext 32215
Fax: (519) 746-8115
Department of Physics & Astronomy, University of Waterloo
Defining gravitational energy is a notoriously difficult problem, one that has troubled physicists since the advent of general relativity. I will briefly outline the origins of this problem and how a new approach developed here at Waterloo is being used to solve it. Known as "Rigid Quasilocal Frames" , this approach introduces the notion of rigidity in a novel way to define energy, momentum, and angular momentum in a curved space, and can be used to predict the recession of the moon.