Energy-Momentum Tensor Improvements in Two Dimensions
We discuss some aspects of the two-dimensional scalar field, considering particularly the action for the conformal anomaly as an "improved" gravitational coupling, and the possibility of introducing a dual coupling, which provides a "chiral" energy-momentum tensor improvement.
© 1996 World Scientific Publishing. In Memoriam: H. Umezawa. This work is supported in part by funds provided by NSF grant PHY-9315811 and by the U.S. Department of Energy (D.O.E.) under contract #DE-FC02–94ER40818.
Submitted - 9510145.pdf