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Renormalization Group Theory of Earthquakes : Volume 3, Issue 2 (30/11/-0001)

By Saleur, H.

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Book Id: WPLBN0004019853
Format Type: PDF Article :
File Size: Pages 8
Reproduction Date: 2015

Title: Renormalization Group Theory of Earthquakes : Volume 3, Issue 2 (30/11/-0001)  
Author: Saleur, H.
Volume: Vol. 3, Issue 2
Language: English
Subject: Science, Nonlinear, Processes
Collections: Periodicals: Journal and Magazine Collection, Copernicus GmbH
Historic
Publication Date:
-0001
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications

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Sornette, D., Saleur, H., & Sammis, C. G. (-0001). Renormalization Group Theory of Earthquakes : Volume 3, Issue 2 (30/11/-0001). Retrieved from http://www.ebooklibrary.org/


Description
Description: Department of Physics and Astronomy, University of Southern California, Los Angeles, CA 90089-0740, USA. We study theoretically the physical origin of the proposed discrete scale invariance of earthquake processes, at the origin of the universal log-periodic corrections to scaling, recently discovered in regional seismic activity (Sornette and Sammis (1995)). The discrete scaling symmetries which may be present at smaller scales are shown to be robust on a global scale with respect to disorder. Furthermore, a single complex exponent is sufficient in practice to capture the essential properties of the leading correction to scaling, whose real part may be renormalized by disorder, and thus be specific to the system. We then propose a new mechanism for discrete scale invariance, based on the interplay between dynamics and disorder. The existence of non-linear corrections to the renormalization group flow implies that an earthquake is not an isolated critical point, but is accompanied by an embedded set of critical points, its foreshocks and any subsequent shocks for which it may be a foreshock.

Summary
Renormalization group theory of earthquakes

 

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