Direct identification of the glass transition: Growing length scale and the onset of plasticity
Understanding the mechanical properties of glasses remains elusive since the glass transition itself is not fully understood, even in well-studied examples of glass formers in two dimensions. In this context we demonstrate here: i) a direct evidence for a diverging length scale at the glass transiti...
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| Veröffentlicht in: | Europhysics letters 2007-03, Vol.77 (5), p.56002-56002 (5) |
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| container_end_page | 56002 (5) |
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| container_issue | 5 |
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| container_title | Europhysics letters |
| container_volume | 77 |
| creator | Aharonov, E Bouchbinder, E Hentschel, H. G. E Ilyin, V Makedonska, N Procaccia, I Schupper, N |
| description | Understanding the mechanical properties of glasses remains elusive since the glass transition itself is not fully understood, even in well-studied examples of glass formers in two dimensions. In this context we demonstrate here: i) a direct evidence for a diverging length scale at the glass transition ii) an identification of the glass transition with the disappearance of fluid-like regions and iii) the appearance in the glass state of fluid-like regions when mechanical strain is applied. These fluid-like regions are associated with the onset of plasticity in the amorphous solid. The relaxation times which diverge upon the approach to the glass transition are related quantitatively to the diverging length scale. |
| doi_str_mv | 10.1209/0295-5075/77/56002 |
| format | Article |
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| issn | 0295-5075 1286-4854 |
| language | eng |
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| source | IOP Publishing Journals |
| subjects | 05.45.Df 05.70.Fh 61.43.Hv |
| title | Direct identification of the glass transition: Growing length scale and the onset of plasticity |
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