Anomalous behavior of dispersion of longitudinal and transverse collective excitations in water

被引：5

作者：

Fomin, Yu. D. ^{[1
]}

Tsiok, E. N. ^{[1
]}

Ryzhov, V. N. ^{[1
]}

Brazhkin, V. V. ^{[1
]}

机构：

[1] RAS, Inst High Pressure Phys, Kaluzhskoe Shosse 14, Moscow 108840, Russia

来源：

JOURNAL OF MOLECULAR LIQUIDS | 2019年 / 287卷

基金：

俄罗斯科学基金会;

关键词：

CORE-SOFTENED SYSTEMS; LIQUID; DYNAMICS; FLUID;

D O I：

10.1016/j.molliq.2019.110992

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We have studied the dependence of the excitation frequency of water along an isochore and an isotherm crossing the region of density anomaly. We have shown that the frequency of longitudinal excitations demonstrated anomalous temperature dependence along the isochore. At the same time the dependence of both longitudinal and transverse excitation frequencies on the density along the isotherm was very modest or even negligible in a fairly wide range of densities. This kind of behavior also seems anomalous in comparison with ordinary liquids. (C) 2019 Elsevier B.V. All rights reserved.

引用

页数：4

共 17 条

[1] Anomalous behavior of dispersion curves in water-like systems and water
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