Dong Jae Chun

ORCID: 0009-0003-5319-7353
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About
Contact & Profiles
Research Areas
  • Material Dynamics and Properties
  • Theoretical and Computational Physics
  • Sensory Analysis and Statistical Methods
  • Liquid Crystal Research Advancements

Sogang University
2021-2023

The dynamic heterogeneity and the translation-rotation decoupling are signatures of glasses supercooled liquids. Whether how would relate to local structure has been a puzzle for decades. In this work we perform molecular dynamics simulations tracers in both two-dimensional polydisperse colloids (2DPC) binary (2DBC). 2DPC glasses, hexatic structures develop at low enough temperatures grow quickly along with correlation length 2DPC, which is well known as medium-range crystalline order...

10.1103/physreve.104.054615 article EN Physical review. E 2021-11-30

We employ only the positions of colloidal particles and construct machine learning (ML) models to test presence structural order in glass transition for two kinds two-dimensional (2D) colloids: 2D polydisperse colloids (PC) with medium-range crystalline (MRCO) binary (BC) without MRCO. ML predict successfully any information on Even certain trained BC PC successfully, thus suggesting that universal characteristics would exist besides

10.1103/physreve.108.044602 article EN Physical review. E 2023-10-09
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