dorsal/arxiv
View SchemaAging Random Walks
| Authors | Stefan Boettcher |
|---|---|
| Categories | |
| ArXiv ID | physics/9702014 |
| URL | https://arxiv.org/abs/physics/9702014 |
Abstract
Aging refers to the property of two-time correlation functions to decay very slowly on (at least) two time scales. This phenomenon has gained recent attention due to experimental observations of the history dependent relaxation behavior in amorphous materials (``Glasses'') which pose a challenge to theorist. Aging signals the breaking of time-translational invariance and the violation of the fluctuation dissipation theorem during the relaxation process. But while the origin of aging in disordered media is profound, and the discussion is clad in the language of a well-developed theory, systems as simple as a random walk near a wall can exhibit aging. Such a simple walk serves well to illustrate the phenomenon and some of the physics behind it.
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"abstract": "Aging refers to the property of two-time correlation functions to decay very\nslowly on (at least) two time scales. This phenomenon has gained recent\nattention due to experimental observations of the history dependent relaxation\nbehavior in amorphous materials (``Glasses\u0027\u0027) which pose a challenge to\ntheorist. Aging signals the breaking of time-translational invariance and the\nviolation of the fluctuation dissipation theorem during the relaxation process.\nBut while the origin of aging in disordered media is profound, and the\ndiscussion is clad in the language of a well-developed theory, systems as\nsimple as a random walk near a wall can exhibit aging. Such a simple walk\nserves well to illustrate the phenomenon and some of the physics behind it.",
"arxiv_id": "physics/9702014",
"authors": [
"Stefan Boettcher"
],
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"physics.pop-ph"
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"title": "Aging Random Walks",
"url": "https://arxiv.org/abs/physics/9702014"
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