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pro vyhledávání: '"Longo, Thomas J."'
The blinking-checkers model [F. Caupin and M. A. Anisimov, Phys. Rev. Lett, 127,185701 (2021)] is a minimal lattice model which has demonstrated that, in the meanfield approximation, it can reproduce the phenomenon of fluid polyamorphism. This model
Externí odkaz:
http://arxiv.org/abs/2405.12445
Publikováno v:
J. Phys. Chem. B 127, 3079-3090 (2023)
It has been hypothesized that liquid polyamorphism, the existence of multiple amorphous states in a single component substance, may be caused by molecular or supramolecular interconversion. A simple microscopic model [Caupin and Anisimov, Phys. Rev.
Externí odkaz:
http://arxiv.org/abs/2212.10205
Critical fluctuations in fluids and fluid mixtures yield a nonanalytic asymptotic Ising-like critical thermodynamic behavior in terms of power laws with universal exponents. In polymer solutions, the amplitudes of these power laws depend on the degre
Externí odkaz:
http://arxiv.org/abs/2209.12965
Autor:
Longo, Thomas J., Shumovskyi, Nikolay A., Uralcan, Betül, Buldyrev, Sergey V., Anisimov, Mikhail A., Debenedetti, Pablo G.
The separation of substances into different phases is ubiquitous in nature and important scientifically and technologically. This phenomenon may become drastically different if the species involved, whether molecules or supramolecular assemblies, int
Externí odkaz:
http://arxiv.org/abs/2209.00742
Fluid polyamorphism, the existence of multiple amorphous fluid states in a single-component system, has been observed or predicted in a variety of substances. A remarkable example of this phenomenon is the fluid-fluid phase transition in high-pressur
Externí odkaz:
http://arxiv.org/abs/2207.00174
We suggest a simple model to describe polyamorphism in single-component fluids using a maximum-valence approach. The model contains three types of interactions: i) atoms attract each other by van der Waals forces that generate a liquid-gas transition
Externí odkaz:
http://arxiv.org/abs/2111.08109
Autor:
Longo, Thomas J., Shumovskyi, Nikolay A., Asadov, Salim M., Buldyrev, Sergey V., Anisimov, Mikhail A.
Using a modified Cahn-Hilliard-Cook theory for spinodal decomposition in a binary mixture that exhibits both diffusion and interconversion dynamics, we derive the time-dependent structure factor for concentration fluctuations. We compare the theory a
Externí odkaz:
http://arxiv.org/abs/2110.00093
Autor:
Uralcan, Betul, Longo, Thomas J., Anisimov, Mikhail A., Stillinger, Frank H., Debenedetti, Pablo G.
Liquid-liquid phase separation of liquids exhibiting interconversion between alternative states has been proposed as an underlying mechanism for fluid polyamorphism, and may be of relevance to protein function and intracellular organization. However,
Externí odkaz:
http://arxiv.org/abs/2109.06925
Autor:
Longo, Thomas J., Anisimov, Mikhail A.
If a binary liquid mixture, composed of two alternative species with equal amounts, is quenched from a high temperature to a low temperature, below the critical point of demixing, then the mixture will phase separate through a process known as spinod
Externí odkaz:
http://arxiv.org/abs/2102.11148
Publikováno v:
Phys. Rev. E 103, 060101 (2021)
A fluid composed of two molecular species may undergo phase segregation via spinodal decomposition. However, if the two molecular species can interconvert, e.g. change their chirality, then a phenomenon of phase amplification, which has not been stud
Externí odkaz:
http://arxiv.org/abs/2101.06089