Abstract
We observe that recent theories of phase transitions in the two-dimensional model predict a universal jump in the superfluid density of films as is approached from below. Specifically, we find that g/°K. Analogous results should hold for two-dimensional planar magnets and liquid crystals.
- Received 16 September 1977
DOI:https://doi.org/10.1103/PhysRevLett.39.1201
©1977 American Physical Society