Speaker
Prof.
Richard Woodard
Description
I review the theorem of Ostrogradsky and discuss some of the common misconceptions concerning kinetic energy instabilities. Alternate quantizations that attempt to avoid the problem all sacrifice the classical correspondence limit which is a disaster for theories of gravitation. I also argue that efforts to legitimize local higher derivative models with ghosts are misguided because stronger infrared effects occur in nonlocal effective actions, without the ghosts.
Author
Prof.
Richard Woodard
