Physics – Condensed Matter – Soft Condensed Matter
Scientific paper
2003-05-23
Phys. Rev. Lett. 91, 155703 (2003).
Physics
Condensed Matter
Soft Condensed Matter
Phys. Rev. Lett. (in press)
Scientific paper
10.1103/PhysRevLett.91.155703
Contrasts between beta relaxation in equilibrium viscous liquids and glasses are rationalized in terms of a double-well potential model with structure-dependent asymmetry, assuming structure is described by a single order parameter. The model is tested for tripropylene glycol where it accounts for the hysteresis of the dielectric beta loss peak frequency and magnitude during cooling and reheating through the glass transition.
Dyre Jeppe C.
Olsen Niels Boye
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