Journal
PHYSICA A-STATISTICAL MECHANICS AND ITS APPLICATIONS
Volume 623, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.physa.2023.128833
Keywords
Two-dimensional melting; Deformable particle; Soft Matter
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Researchers conducted a numerical study and found that increasing temperature or shape parameter leads to a transition from solid to liquid in deformable particle systems. The solid-liquid transition occurs in two steps, with a continuous solid-hexatic transition followed by a first-order hexatic-liquid transition. Observations of topological defects supported these conclusions. The work presents the complete phase diagram of two-dimensional deformable particle systems and offers insights into the solid-liquid transition in soft matter.
Two-dimensional melting is an important phase behavior, but the impact of deforma-bility on the solid-liquid transition remains an open question. To address this, we conducted a numerical study of melting in systems of deformable particles with many degrees of freedom. We found that increasing temperature or the shape parameter leads to a transition from solid to liquid, and that the system melts in two steps, with a continuous solid-hexatic transition followed by a first-order hexatic-liquid transition. Our conclusions are supported by observations of the behavior of topological defects. This work presents the complete phase diagram of two-dimensional deformable particle systems, offering insights into the solid-liquid transition in soft matter.& COPY; 2023 Elsevier B.V. All rights reserved.
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