"In the originally published version of this article, we incorrectly reported the total pressure applied to the full simulation cell (Psim) as the pressure experienced in the confined region of water. This is erroneous as the confinement pressure is higher and is approximated as Pconf=Psim * z/w, where z is the z-dimension of the simulation box (assuming an x-y confinement plane) while w is the confinement width1,2,3. Further details on estimating the pressure are in the updated Methods section."
"This correction does not affect the simulations or the observed phase behaviour, but it scales the pressure values by approximately a factor of 3. The onset of superionic behaviour occurs at 10.512GPa rather than 3.54GPa. Qualitative conclusions of the work remain unchanged. We also make an additional clarifying point that the statement on the impact of quantum nuclear effects on the phase transition only concerns the solid phases."
The total pressure applied to the full simulation cell (Psim) was incorrectly reported as the pressure in the confined region of water. The confinement pressure is higher and is approximated as Pconf = Psim * z/w, where z is the z-dimension of the simulation box and w is the confinement width. Correcting this scales reported pressure values by approximately a factor of three. The onset of superionic behaviour shifts from 3.54 GPa to 10.512 GPa. The simulations and observed phase behaviour remain valid and qualitative conclusions remain unchanged. The statement on quantum nuclear effects pertains only to solid phases. Methods, figures, tables and supplementary data have been updated.
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