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

doi:10.1103/PhysRevLett.112.237802

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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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 ∼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.

Original language	English
Article number	237802
Journal	Physical Review Letters
Volume	112
Issue number	23
DOIs	https://doi.org/10.1103/PhysRevLett.112.237802
State	Published - Jun 12 2014
Externally published	Yes

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Wang, Z., Liu, K. H., Le, P., Li, M., Chiang, W. S., Leão, J. B., Copley, J. R., Tyagi, M., Podlesnyak, A., Kolesnikov, A. I., Mou, C. Y., & Chen, S. H. (2014). Boson peak in deeply cooled confined water: A possible way to explore the existence of the liquid-to-liquid transition in water. Physical Review Letters, 112(23), Article 237802. https://doi.org/10.1103/PhysRevLett.112.237802

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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 ∼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.",

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doi = "10.1103/PhysRevLett.112.237802",

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AU - Wang, Zhe

AU - Liu, Kao Hsiang

AU - Le, Peisi

AU - Li, Mingda

AU - Chiang, Wei Shan

AU - Leão, Juscelino B.

AU - Copley, John R.

AU - Tyagi, Madhusudan

AU - Podlesnyak, Andrey

AU - Kolesnikov, Alexander I.

AU - Mou, Chung Yuan

AU - Chen, Sow Hsin

PY - 2014/6/12

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AB - 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.

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JO - Physical Review Letters

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ER -

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

Abstract

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