Boson peak in deeply cooled confined water: A possible way to explore the existence of the liquid-to-liquid transition in water

Zhe Wang, Kao Hsiang Liu, Peisi Le, Mingda Li, Wei Shan Chiang, Juscelino B. Leão, John R. Copley, Madhusudan Tyagi, Andrey Podlesnyak, Alexander I. Kolesnikov, Chung Yuan Mou, Sow Hsin Chen

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24 引文 斯高帕斯(Scopus)

摘要

The boson peak in deeply cooled water confined in nanopores is studied with inelastic neutron scattering. We show that in the (P, T) plane, the locus of the emergence of the boson peak is nearly parallel to the Widom line below ∼1600bar. Above 1600 bar, the situation is different and from this difference the end pressure of the Widom line is estimated. The frequency and width of the boson peak correlate with the density of water, which suggests a method to distinguish the hypothetical "low-density liquid" and "high-density liquid" phases in deeply cooled water.

原文英語
文章編號237802
期刊Physical Review Letters
112
發行號23
DOIs
出版狀態已發佈 - 6月 12 2014
對外發佈

ASJC Scopus subject areas

  • 物理與天文學 (全部)

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