Boson Peak in Deeply Cooled Confined Water: A Possible Way to Explore the Existence of the Liquid-to-Liquid Transition in Water
Name
PhysRevLett.112.237802.pdf
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1.43 MB
Format
Adobe PDF
Checksum (MD5)
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Author(s)
Wang, Zhe
Liu, Kao-Hsiang
Le, Peisi
Li, Mingda
Chiang, Wei-Shan
Leão, Juscelino B.
Copley, John R. D.
Tyagi, Madhusudan
Podlesnyak, Andrey
Kolesnikov, Alexander I.
Date Issued
June 2014
Journal
Physical Review Letters
Publisher
American Physical Society
Citation
Wang, Zhe, et al. "Boson Peak in Deeply Cooled Confined Water: A Possible Way to Explore the Existence of the Liquid-to-Liquid Transition in Water." Phys. Rev. Lett. 112 (June 2014), 237802. © 2014 American Physical Society
Version
Final published version
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.
MIT Department
Massachusetts Institute of Technology. Department of Nuclear Science and Engineering
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DOI of Published Version
https://doi.org/10.1103/PhysRevLett.112.237802
