Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(a) Kullback-Leibler divergence 
and (b) Liu et al. deviations Wd of the calculated 
from the Ising universal function 
in d = 2 (open symbols) and d = 3 (closed symbols), as a function of 1/N, with N water molecules, at constant 
. In both panels lines are power-law fits and we observe a crossover between 2D and 3D behavior at 
. (c) The free-energy cost to form an interface between the two liquids coexisting at the LLCP scales as 
with d = 3 for N < 104 and d = 2 for N > 104.
