3 papers
hep-th1999
What good are quantum field theory infinities?
R. Jackiw
A lesson for the new millennium from quantum field theory: Not all field-theoretic infinities are bad. Some give rise to finite, symmetry-breaking effects, whose consequences are o…
hep-ph1998
Chern-Simons Violation of Lorentz and PCT Symmetries in Electrodynamics
R. Jackiw
Recently proposed Lorentz-PCT noninvariant modifications of electromagnetism are reviewed. Their experimental consequences are described, and it is argued that available data decis…
gr-qc1995
Two lectures on Two-Dimensional Gravity
R. Jackiw
(from the talk:) I shall here speak on gravity in (1+1)-dimensional space-time --- lineal gravity. The purpose of studying lower dimensional theories, and specifically lower dimens…