Abstract
It is shown that free energy functionals have a unique infinite-gradient limit which assures a finite interaction energy. This limit is used to extrapolate the Ginzburg-Landau small-gradient theory. The resulting functionals allow the existence of cusped equilibria or equilibria with sharp interfaces. If perturbed, a sharp interface will not quench immediately, but rather dissolve within a finite time.
| Original language | English |
|---|---|
| Pages (from-to) | 2227-2230 |
| Number of pages | 4 |
| Journal | Physical Review A |
| Volume | 41 |
| Issue number | 4 |
| DOIs | |
| State | Published - 1990 |
| Externally published | Yes |