Starzonek Szymon, Kalabiński Jakub, Drozd-Rzoska Aleksandra, Rzoska Sylwester J, Iglič Aleš
Institute of Theoretical Physics and Mark Kac Center for Complex Systems Research, Jagiellonian University, Kraków 30-348, Poland.
Institute of High Pressure Physics of the Polish Academy of Sciences, Warsaw 01-142, Poland.
J Phys Chem B. 2025 Feb 6;129(5):1670-1674. doi: 10.1021/acs.jpcb.4c04552. Epub 2025 Jan 23.
Liquid-liquid phase transitions play a pivotal role in various scientific disciplines and technological applications, ranging from biology to materials science and geophysics. Understanding the behavior of materials undergoing these transitions provides valuable insights into complex systems and their dynamic properties. This review explores the implications of liquid-liquid phase transitions, particularly focusing on the transition between low-density liquid (LDL) and high-density liquid (HDL) phases. We investigate the thermodynamic, structural, and mechanistic aspects of these transitions, emphasizing their relevance in diverse fields. The creation of dynamic heterogeneities and critical fluctuations during liquid-liquid phase transitions is discussed, highlighting their role in shaping the phase behavior and dynamics of complex fluids. Experimental observations, including the use of dielectric spectroscopy and nonlinear methods, shed light on the intricate nature of these transitions. Our findings suggest a connection between liquid-liquid phase transitions and critical phenomena, with implications for understanding the supercooled state and phase behavior of hydrogen-bonded liquids such as glycerol. Overall, this review underscores the importance of interdisciplinary approaches in unraveling the complexities of liquid-liquid phase behavior and addressing fundamental questions.
液-液相转变在从生物学到材料科学和地球物理学等各种科学学科和技术应用中都起着关键作用。了解经历这些转变的材料的行为，能为复杂系统及其动态特性提供有价值的见解。本综述探讨了液-液相转变的影响，特别关注低密度液体（LDL）和高密度液体（HDL）相之间的转变。我们研究了这些转变的热力学、结构和机理方面，强调了它们在不同领域的相关性。讨论了液-液相转变过程中动态不均匀性和临界涨落的产生，突出了它们在塑造复杂流体的相行为和动力学方面的作用。包括介电谱和非线性方法在内的实验观察，揭示了这些转变的复杂本质。我们的研究结果表明液-液相转变与临界现象之间存在联系，这对于理解诸如甘油等氢键液体的过冷状态和相行为具有启示意义。总的来说，本综述强调了跨学科方法在揭示液-液相行为复杂性和解决基本问题方面的重要性。
