Field theories of paramagnetic Mott insulators
arXiv:cond-mat/0304137 · doi:10.1007/s00023-003-0948-4
Abstract
This is a summary of a central argument in recent review articles by the author (cond-mat/0109419, cond-mat/0211005, and cond-mat/0211027). An effective field theory is derived for the low energy spin singlet excitations in a paramagnetic Mott insulator with collinear spin correlations.
12 pages, 4 figures, Proceedings of the International Conference on Theoretical Physics, Paris, UNESCO, July 2002