Universality and interfaces at critical end points
- 5 November 1990
- journal article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 65 (19), 2402-2405
- https://doi.org/10.1103/physrevlett.65.2402
Abstract
At a critical end point a critical phase coexists with a noncritical phase α and singularities arise beyond those on the associated critical line. New universal amplitude ratios are defined for the shape of the α-phase boundary and for the noncritical surface tensions near end points. A postulated correspondence with wall/surface criticality leads to predictions for general dimension d that are exact at (and near) d=2 and for d≥4 (where mean-field theory applies) and yield experimentally testable estimates for d=3.Keywords
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