Cooperative motion in equilibrium phases across two-dimension melting in pure and disordered systems

Fuente: arXiv
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Hauptverfasser: Dutta, Saikat, Jami, Prashanti, Chaudhuri, Pinaki, Dasgupta, Chandan, Ghosal, Amit
Format: Preprint
Veröffentlicht: 2024
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author Dutta, Saikat
Jami, Prashanti
Chaudhuri, Pinaki
Dasgupta, Chandan
Ghosal, Amit
author_facet Dutta, Saikat
Jami, Prashanti
Chaudhuri, Pinaki
Dasgupta, Chandan
Ghosal, Amit
contents We uncover the dynamics of particles with Gaussian core interactions across melting in pure and disordered two-dimensional (2D) systems. Intriguing signatures of cooperative motion of particles in string-like paths are found at low temperatures. Such a motion, while common to glasses and supercooled liquids, are realized here in traditional equilibrium phases, including in pure systems. We explore the interplay of such motion and impurities and report their repercussions on spatiotemporal correlations. In particular, cooperative motion seems to cause a departure from the diffusive dynamics, causing slow relaxation.
format Preprint
id arxiv_https___arxiv_org_abs_2411_15654
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Cooperative motion in equilibrium phases across two-dimension melting in pure and disordered systems
Dutta, Saikat
Jami, Prashanti
Chaudhuri, Pinaki
Dasgupta, Chandan
Ghosal, Amit
Soft Condensed Matter
Disordered Systems and Neural Networks
Statistical Mechanics
We uncover the dynamics of particles with Gaussian core interactions across melting in pure and disordered two-dimensional (2D) systems. Intriguing signatures of cooperative motion of particles in string-like paths are found at low temperatures. Such a motion, while common to glasses and supercooled liquids, are realized here in traditional equilibrium phases, including in pure systems. We explore the interplay of such motion and impurities and report their repercussions on spatiotemporal correlations. In particular, cooperative motion seems to cause a departure from the diffusive dynamics, causing slow relaxation.
title Cooperative motion in equilibrium phases across two-dimension melting in pure and disordered systems
topic Soft Condensed Matter
Disordered Systems and Neural Networks
Statistical Mechanics
url https://arxiv.org/abs/2411.15654