G
Gregor Diezemann
Researcher at University of Mainz
Publications - 122
Citations - 3381
Gregor Diezemann is an academic researcher from University of Mainz. The author has contributed to research in topics: Relaxation (physics) & Energy landscape. The author has an hindex of 28, co-authored 120 publications receiving 3211 citations. Previous affiliations of Gregor Diezemann include Frankfurt Institute for Advanced Studies & Massachusetts Institute of Technology.
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Harmonic Vibrational Excitations in Disordered Solids and the “Boson Peak”
TL;DR: In this article, a system of coupled classical harmonic oscillators with spatially fluctuating nearest-neighbor force constants on a simple cubic lattice is considered and the model is solved both by numerical diagonalization and by applying the single-bond coherent potential approximation.
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Dynamics of supercooled liquids and glassy solids
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Nature of the Non-exponential Primary Relaxation in Structural Glass-formers Probed by Dynamically Selective Experiments
Roland Böhmer,Ralph V. Chamberlin,Gregor Diezemann,Burkhard Geil,Andreas Heuer,Gerald Hinze,S. C. Kuebler,Ranko Richert,B. Schiener,Hans Sillescu,Hans Wolfgang Spiess,U. Tracht,Manfred Wilhelm +12 more
TL;DR: In this paper, it was shown that the non-exponential relaxation results from a superposition of dynamically distinguishable entities, and that the intrinsic response is compatible with single exponential relaxation.
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Dynamic heterogeneity in supercooled ortho-terphenyl studied by multidimensional deuteron NMR
TL;DR: In this article, the authors used deuteron NMR to study molecular reorientation rates and rate exchange processes in supercooled ortho-terphenyl, and monitored the re-equilibration of different subensembles through four-time stimulated echo experiments.
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Nonresonant dielectric hole burning spectroscopy of supercooled liquids
TL;DR: In this article, the nonresonant spectral hole burning (NSHB) experiments were performed on propylene carbonate and glycerol near their glass transitions and the results showed that the non-polarity of the dielectric relaxation in these supercooled liquids was correlated with the pump, wait, and probe frequency.