Mesoscopic relaxation near glass transition singularities

W. Götze; L. Sjögren

doi:10.1016/0022-3093(94)90412-X

Mesoscopic relaxation near glass transition singularities

W. Götze, L. Sjögren

TUM Emeriti of Excellence

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

Abstract

The mesoscopic relaxation in supercooled liquids for temperatures near the crossover temperature, T_c, is described within the mode coupling theory by a two-parameter scaling law. It deals with the interplay of the cage effect and phonon assisted hopping events. The dynamics for frequencies above the α-relaxation rate and below the microscopic excitation band are characterized by two relevant control parameters. The various features of the susceptibility spectra and relaxation curves are discussed.

Original language	English
Pages (from-to)	16-25
Number of pages	10
Journal	Journal of Non-Crystalline Solids
Volume	172-174
Issue number	PART 1
DOIs	https://doi.org/10.1016/0022-3093(94)90412-X
State	Published - 1 Sep 1994

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10.1016/0022-3093(94)90412-X

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title = "Mesoscopic relaxation near glass transition singularities",

abstract = "The mesoscopic relaxation in supercooled liquids for temperatures near the crossover temperature, Tc, is described within the mode coupling theory by a two-parameter scaling law. It deals with the interplay of the cage effect and phonon assisted hopping events. The dynamics for frequencies above the α-relaxation rate and below the microscopic excitation band are characterized by two relevant control parameters. The various features of the susceptibility spectra and relaxation curves are discussed.",

author = "W. G{\"o}tze and L. Sj{\"o}gren",

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AU - Sjögren, L.

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N2 - The mesoscopic relaxation in supercooled liquids for temperatures near the crossover temperature, Tc, is described within the mode coupling theory by a two-parameter scaling law. It deals with the interplay of the cage effect and phonon assisted hopping events. The dynamics for frequencies above the α-relaxation rate and below the microscopic excitation band are characterized by two relevant control parameters. The various features of the susceptibility spectra and relaxation curves are discussed.

AB - The mesoscopic relaxation in supercooled liquids for temperatures near the crossover temperature, Tc, is described within the mode coupling theory by a two-parameter scaling law. It deals with the interplay of the cage effect and phonon assisted hopping events. The dynamics for frequencies above the α-relaxation rate and below the microscopic excitation band are characterized by two relevant control parameters. The various features of the susceptibility spectra and relaxation curves are discussed.

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U2 - 10.1016/0022-3093(94)90412-X

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SP - 16

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JO - Journal of Non-Crystalline Solids

JF - Journal of Non-Crystalline Solids

IS - PART 1

ER -

Mesoscopic relaxation near glass transition singularities

Abstract

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