Fragile to strong crossover and Widom line in supercooled water： A comparative study
Fragile to strong crossover and Widom line in supercooled water： A comparative study作者机构：Dipartimento di Matematica e Fisica Universita Roma Tre Italia
出 版 物：《Frontiers of physics》 (物理学前沿（英文版）)
年 卷 期：2018年第13卷第1期
页 面：75-83页
核心收录：
学科分类：080705[工学-制冷及低温工程] 080701[工学-工程热物理] 08[工学] 0807[工学-动力工程及工程热物理]
主 题：molecular dynamics simulation supercooled water slow dynamics hydration water,aqueous solutions
摘 要：The aim of this paper is to discuss the relationship between the dynamics and thermodynamics of water in the supercooled region. Reviewed case studies comprehend bulk water simulated with the SPC/E, TIP4P and TIP4P/2005 potentials, water at protein interfaces, and water in solution with electrolytes. Upon supercooling, the fragile to strong crossover in the s-relaxation of water is found to occur when the Widom line emanating from the liquid-liquid critical point is crossed. This appears to be a general characteristic of supercooled water, not depending on the applied interaction potential and/or different local environments.
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