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Boson peak in deeply cooled confined water: a possible way to explore the existence of the liquid-to-liquid transition in water. | LitMetric

AI Article Synopsis

Article Abstract

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 ∼ 1600 bar. 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.

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Source
http://dx.doi.org/10.1103/PhysRevLett.112.237802DOI Listing

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