Widom line

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The Widom line[1] (not to be confused with the Fisher-Widom line) is defined as the line in the pressure-temperature plane where the correlation length has its maximum [2] , and emanates from the hypothesized liquid–liquid critical point of water . It was named the Widom line by H. Eugene Stanley[3] in honour of Benjamin Widom. Recently the Widom line has been calculated for the Lennard-Jones model[4].

[edit] References

  1. ↑ Limei Xu, Pradeep Kumar, S. V. Buldyrev, S.-H. Chen, P. H. Poole, F. Sciortino, and H. E. Stanley "Relation between the Widom line and the dynamic crossover in systems with a liquid–liquid phase transition", PNAS 102 pp. 16558-16562 (2005)
  2. ↑ H. E. Stanley, P. Kumar, G. Franzese, L. Xu, Z. Yan, M. G. Mazza, S. V. Buldyrev, S.-H. Chen and F. Mallamace "Liquid polyamorphism: Possible relation to the anomalous behaviour of water", European Physical Journal - Special Topics 161 pp. 1-17 (2008)
  3. ↑ Sergey V. Buldyrev "Water wisdom and Widom", Boston University Research Briefs December 6 (2005)
  4. ↑ V. V. Brazhkin, Yu. D. Fomin, A. G. Lyapin, V. N. Ryzhov, and E. N. Tsiok "Widom Line for the Liquid–Gas Transition in Lennard-Jones System", Journal of Physical Chemistry B Article ASAP (2011)
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