Spin-glass approach to low-temperature anomalies in glasses
We discuss a spin-glass-type approach to the physics of structural glasses, which leads to a class of models that exhibit both glassy low-temperature phases and double- and single-well configurations in their potential energy landscape. The low-temperature anomalies characteristic of amorphous syste...
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| Main Authors: | , |
|---|---|
| Format: | Article (Journal) |
| Language: | English |
| Published: |
23 April 1999
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| In: |
Physica. B, Condensed matter
Year: 1999, Volume: 263/264, Pages: 290-292 |
| ISSN: | 1873-2135 |
| DOI: | 10.1016/S0921-4526(98)01473-2 |
| Online Access: | Verlag, Volltext: http://dx.doi.org/10.1016/S0921-4526(98)01473-2 Verlag, Volltext: http://www.sciencedirect.com/science/article/pii/S0921452698014732 
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| Author Notes: | Uta Horstmann, Reimer Kühn, Institut für Theoretische Physik, Universität Heidelberg, Philosophenweg 19, 69120 Heidelberg, Germany |
MARC
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| 520 | |a We discuss a spin-glass-type approach to the physics of structural glasses, which leads to a class of models that exhibit both glassy low-temperature phases and double- and single-well configurations in their potential energy landscape. The low-temperature anomalies characteristic of amorphous systems are reproduced, and within our model the universality issue can be illuminated. We consider the interaction between localized excitations and phonons, and we present a general expression for the dynamic susceptibility, from which dynamic properties such as the internal friction can be calculated. | ||
| 650 | 4 | |a Glasses | |
| 650 | 4 | |a Low-temperature anomalies | |
| 650 | 4 | |a Tunneling systems | |
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