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| Hauptseite > Publikationsdatenbank > Non-Gaussian nature of the alpha-relaxation of glass-forming polyisoprene > print |
| Hauptseite > Publikationsdatenbank > Non-Gaussian nature of the alpha-relaxation of glass-forming polyisoprene > print |
| 001 | 24202 | ||
| 005 | 20240619092111.0 | ||
| 017 | _ | _ | |a This version is available at the following Publisher URL: http://prl.aps.org |
| 024 | 7 | _ | |a 10.1103/PhysRevLett.89.245701 |2 DOI |
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| 024 | 7 | _ | |a 2128/1277 |2 Handle |
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| 041 | _ | _ | |a eng |
| 082 | _ | _ | |a 550 |
| 084 | _ | _ | |2 WoS |a Physics, Multidisciplinary |
| 100 | 1 | _ | |a Arbe, A. |b 0 |0 P:(DE-HGF)0 |
| 245 | _ | _ | |a Non-Gaussian nature of the alpha-relaxation of glass-forming polyisoprene |
| 260 | _ | _ | |a College Park, Md. |b APS |c 2002 |
| 300 | _ | _ | |a 245701 |
| 336 | 7 | _ | |a Journal Article |0 PUB:(DE-HGF)16 |2 PUB:(DE-HGF) |
| 336 | 7 | _ | |a Output Types/Journal article |2 DataCite |
| 336 | 7 | _ | |a Journal Article |0 0 |2 EndNote |
| 336 | 7 | _ | |a ARTICLE |2 BibTeX |
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| 336 | 7 | _ | |a article |2 DRIVER |
| 440 | _ | 0 | |a Physical Review Letters |x 0031-9007 |0 4925 |v 89 |
| 500 | _ | _ | |a Record converted from VDB: 12.11.2012 |
| 520 | _ | _ | |a We report quasielastic neutron scattering experiments exploring the alpha relaxation in polyisoprene over an unprecedented range in momentum transfer. Corroborating and validating earlier molecular dynamics simulations, the measurements reveal a crossover from a Gaussian regime of sublinear diffusion to a strongly non-Gaussian regime at short distances. We show that a consistent interpretation in terms of a distribution of finite jumps underlying the alpha process is possible. This model leads to a time-dependent non-Gaussian parameter exhibiting all features revealed so far from various simulations. |
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| 700 | 1 | _ | |a Colmenero, J. |b 1 |0 P:(DE-HGF)0 |
| 700 | 1 | _ | |a Alvarez, F. |b 2 |0 P:(DE-HGF)0 |
| 700 | 1 | _ | |a Monkenbusch, M. |b 3 |u FZJ |0 P:(DE-Juel1)VDB2684 |
| 700 | 1 | _ | |a Richter, D. |b 4 |u FZJ |0 P:(DE-Juel1)130917 |
| 700 | 1 | _ | |a Farago, B. |b 5 |0 P:(DE-HGF)0 |
| 700 | 1 | _ | |a Frick, K. H. |b 6 |0 P:(DE-HGF)0 |
| 773 | _ | _ | |a 10.1103/PhysRevLett.89.245701 |g Vol. 89, p. 245701 |p 245701 |q 89<245701 |0 PERI:(DE-600)1472655-5 |t Physical review letters |v 89 |y 2002 |x 0031-9007 |
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