تقرير
The nonlinear physical aging-susceptibility of a glass forming melt
| العنوان: | The nonlinear physical aging-susceptibility of a glass forming melt |
|---|---|
| المؤلفون: | Moch, Kevin, Böhmer, Roland, Gainaru, Catalin |
| سنة النشر: | 2023 |
| المجموعة: | Physics (Other) |
| مصطلحات موضوعية: | Physics - Chemical Physics |
| الوصف: | A high-resolution, temperature oscillation-based probe of physical aging in complex systems is introduced. The Fourier analysis of the measured responses allows one to extract a high-order aging-related complex susceptibility that is not accessible via traditional temperature-jump and -ramp procedures. To demonstrate the potential of this oscillatory approach, we analyze the periodic time evolution of glycerol's structural relaxation using shear rheology as a vehicle. Thereby, we access up to the sixth harmonics and detect aging fingerprints within a resolution range of three orders of magnitude for temperature amplitudes of up to 4 K. The high-order aging coefficients and susceptibilities obtained for glycerol are described well by the Tool-Narayanaswami-Moynihan formalism. Comment: 5 pages, 4 figures |
| نوع الوثيقة: | Working Paper |
| URL الوصول: | http://arxiv.org/abs/2308.06238 |
| رقم الأكسشن: | edsarx.2308.06238 |
| قاعدة البيانات: | arXiv |
| الوصف غير متاح. |