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Martin Kröger
Prof Dr rer nat habil

Simplicity is the ultimate sophistication
Leonardo da Vinci (1452-1519)

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1 selected entry has been cited at least 21 times (SCI, 17-05-2024)

Article   E. Del Gado, P. Ilg, M. Kröger, H.C. Öttinger
Nonaffine deformations of inherent structure as signature of cooperativity in supercooled liquids
Phys. Rev. Lett. 101 (2008) 095501 (4 pages)
We unveil the existence of non-affinely rearranging regions in the inherent structures (IS) of supercooled liquids by numerical simulations of two- and three-dimensional model glass formers subject to static shear deformations combined with local energy minimizations. In the liquid state IS, we find a broad distribution of rather large rearrangements which are correlated only over small distances. At low temperatures, the onset of the cooperative dynamics corresponds to much smaller displacements correlated over larger distances. This finding indicates the presence of nonaffinely rearranging domains of relevant size in the IS deformation, which can be seen as the static counterpart of the cooperatively rearranging regions in the dynamics. This idea provides new insight into possible structural signatures of slow cooperative dynamics of supercooled liquids and supports the connections with elastic heterogeneities found in amorphous solids.


for LaTeX users
@article{EDelGado2008-101,
 author = {E. Del Gado and P. Ilg and M. Kr\"oger and H. C. \"Ottinger},
 title = {Nonaffine deformations of inherent structure as signature of cooperativity in supercooled liquids},
 journal = {Phys. Rev. Lett.},
 volume = {101},
 pages = {095501},
 year = {2008}
}

\bibitem{EDelGado2008-101} E. Del Gado, P. Ilg, M. Kr\"oger, H.C. \"Ottinger,
Nonaffine deformations of inherent structure as signature of cooperativity in supercooled liquids,
Phys. Rev. Lett. {\bf 101} (2008) 095501 (4 pages).

EDelGado2008-101
E. Del Gado, P. Ilg, M. Kr\"oger, H.C. \"Ottinger
Nonaffine deformations of inherent structure as signature of cooperativity in supercooled liquids
Phys. Rev. Lett.,101,2008,095501 (4 pages)


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