Ergodicity-breaking transition and high-frequency response in a simple free-energy landscape |
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| Authors: | Ignatiev M Chakraborty B |
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| Affiliation: | The Martin Fisher School of Physics, Brandeis University, Waltham, Massachusetts 02254, USA. |
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| Abstract: | We present a simple dynamical model described by a Langevin equation in a piecewise parabolic free-energy landscape, modulated by a temperature-dependent overall curvature. The zero-curvature point marks a transition to a phase with broken ergodicity. The frequency-dependent response near this transition is reminiscent of observations near the glass transition. |
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