Higher-Order Singularities without Glass-Glass Transitions : An Avoided Glass-Glass Transition(Frontiers in Nonequilibrium Physics-Fundamental Theory, Glassy & Granular Materials, and Computational Physics-)

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概要

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• Within the framework of mode-coupling theory, the glass-transition scenario is investigated for a system of particles interacting with a hard-core repulsion and an additional square-shoulder soft core at larger distances. The static structure is calculated from the potential in Percus-Yevick approximation. For certain widths of the shoulder, the exponent parameter λ along the glass-transition line shows a double peak. At both peaks, λ can reach unity indicating the existence of higher-order glass-transition singularities. It is shown that these higher-order singularities originate from a line of avoided glass-glass transitions.

• 2010-07-27

著者

• SPERL Matthias

  Institut fur Materialphysik im Weltraum, Deutsches Zentrum fur Luft- und Raumfahrt

• Sperl Matthias

  Institut Fur Materialphysik Im Weltraum Deutsches Zentrum Fur Luft- Und Raumfahrt

関連論文

• Higher-Order Singularities without Glass-Glass Transitions : An Avoided Glass-Glass Transition(Frontiers in Nonequilibrium Physics-Fundamental Theory, Glassy & Granular Materials, and Computational Physics-)

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