Simple soluble models of quantum damping applied to cavity quantum electrodynamics

tering and the polymer dispersed liquid crystal display. (E) 194. "The Quartz Watch with Digital Readout," H. R. Crane, The Physics Teacher 32(5), 298-299 (1994). This article describes the operation of a twisted nematic display and is written for high school and college physics educators. (E) 195. "Liquid-Crystal Displays: Molecules at Work," G. P. Crawford and R. J. Ondris-Crawford, Physics Education 29, 307-312 (1994). This article focuses on the liquid crystal phase and the twisted nematic display; it includes some experiments that can be performed utilizing a commercial TN display. (E) 196. "Demonstrations of Some Optical Properties of Liquid Crystals," A. 1. Nicastro, The Physics Teacher 19(3), 181-182 (March 1993). Describes the phase transitions of a liquid crystal and some electro-optical properties. (E) 197. "Liquid Crystal Displays," C. H. Hayn, The Physics Teacher 17(4), 256-257 (April 1981). Describes the operation of a twisted nematic display. (E) 198. "Inexpensive Electronics Experiments on Liquid Crystal Displays," T. M. Ciferno, R. J. Ondris-Crawford, and G. P. Crawford, The Physics Teacher 33(2), 104-110 (February 1995). This article is based on the first reference in this section and describes how to build a simple electro-optics apparatus and how to use it to characterize different liquid crystal displays. (E)