Cooperative molecular motions in water: The liquid-liquid critical point hypothesis
We discuss the hypothesis that, in addition to the known critical point in water (below which two fluid phases — a lower-density gas and a higher-density liquid — coexist), there exists a “second” critical point at low temperatures (below which two liquid phases — a higher-density liquid and a lower-density liquid — can coexits). We also discuss briefly some of the evidence relating to this hypothesis. This evidence is rather tentative at the present time, and is largely based on a growing number of computer simulations using the ST2 and TIP4P intermolecular potentials. We also discuss selected experimental results that are consistent with this hypothesis.
Year of publication: |
1997
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Authors: | Stanley, H.E. ; Cruz, L. ; Harrington, S.T. ; Poole, P.H. ; Sastry, S. ; Sciortino, F. ; Starr, F.W. ; Zhang, R. |
Published in: |
Physica A: Statistical Mechanics and its Applications. - Elsevier, ISSN 0378-4371. - Vol. 236.1997, 1, p. 19-37
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Publisher: |
Elsevier |
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