期刊
PHYSICAL REVIEW B
卷 83, 期 1, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.83.014201
关键词
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资金
- EPSRC
- RFBR
- Engineering and Physical Sciences Research Council [EP/C540603/2, EP/C540603/1] Funding Source: researchfish
A fundamental problem of glass transition is to provide a quantitative and microscopic explanation of the heat-capacity jump at the glass transition temperature T-g. Similar problems are also common to other disordered systems, including spin glasses. We propose that the jump of heat capacity at T-g takes place as a result of the change of the liquid's elastic, vibrational, and thermal properties. In this theory, we discuss time-dependent effects of glass transition, and identify three distinct regimes of relaxation. Our approach explains a widely observed logarithmic increase of T-g with the quench rate and correlation of the heat-capacity jump with liquid fragility.
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