Second critical point for water: Difference between revisions
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It has been hypothesised that water has a second [[Critical points | critical point]], located in the experimentally inaccessible supercooled region. | It has been hypothesised that water has a second [[Critical points | critical point]], located in the experimentally inaccessible supercooled region. | ||
== TIP4P/2005 model of water == | == TIP4P/2005 model of water == | ||
For the TIP4P/2005 model the [[Liquid-liquid phase transitions | liquid-liquid]] [[critical points | critical point]] is located at <math>T_c = 193</math>K, <math>p_c =1350</math> bar and having a density of <math>\rho_c =1.012</math> g/cm<sup>3</sup> <ref>[http://dx.doi.org/10.1063/1.3506860 José L. F. Abascal and Carlos Vega "Widom line and the liquid–liquid critical point for the TIP4P/2005 water model", Journal of Chemical Physics '''133''' 234502 (2010)]</ref><ref>[http://dx.doi.org/10.1063/1.3585676 J. L. F. Abascal and C. Vega "Note: Equation of state and compressibility of supercooled water: Simulations and experiment", Journal of Chemical Physics '''134''' 186101 (2011)]</ref>. | For the [[TIP4P/2005 model of water | TIP4P/2005 model]] the [[Liquid-liquid phase transitions | liquid-liquid]] [[critical points | critical point]] is located at <math>T_c = 193</math>K, <math>p_c =1350</math> bar and having a density of <math>\rho_c =1.012</math> g/cm<sup>3</sup> <ref>[http://dx.doi.org/10.1063/1.3506860 José L. F. Abascal and Carlos Vega "Widom line and the liquid–liquid critical point for the TIP4P/2005 water model", Journal of Chemical Physics '''133''' 234502 (2010)]</ref><ref>[http://dx.doi.org/10.1063/1.3585676 J. L. F. Abascal and C. Vega "Note: Equation of state and compressibility of supercooled water: Simulations and experiment", Journal of Chemical Physics '''134''' 186101 (2011)]</ref>. | ||
==See also== | ==See also== | ||
*[[Widom line]] | *[[Widom line]] | ||
Latest revision as of 10:43, 11 May 2011
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It has been hypothesised that water has a second critical point, located in the experimentally inaccessible supercooled region.
TIP4P/2005 model of water[edit]
For the TIP4P/2005 model the liquid-liquid critical point is located at K, bar and having a density of g/cm3 [1][2].
See also[edit]
References[edit]
- ↑ José L. F. Abascal and Carlos Vega "Widom line and the liquid–liquid critical point for the TIP4P/2005 water model", Journal of Chemical Physics 133 234502 (2010)
- ↑ J. L. F. Abascal and C. Vega "Note: Equation of state and compressibility of supercooled water: Simulations and experiment", Journal of Chemical Physics 134 186101 (2011)
- Related reading
- Peter H. Poole, Francesco Sciortino, Ulrich Essmann and H. Eugene Stanley "Phase behaviour of metastable water", Nature 360 pp. 324-328 (1992)
- H. E. Stanley, C. A. Angell, U. Essmann, M. Hemmati, P. H. Poole, F. Sciortino "Is there a second critical point in liquid water?", Physica A 205 pp. 122-139 (1994)