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Universal Power-Law Decay of the Impulse Energy in Granular Protectors

Jongbae Hong
Phys. Rev. Lett. 94, 108001 – Published 14 March 2005
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Abstract

Protecting a big impulse from outside is one of the important issues of our everyday life. A granular medium is often used as a protecting material. The impulse inside a granular medium is a solitary wave which may be confined temporarily to a particular region of the medium, which we call the granular container that plays the role of the protector. We find a universal power-law behavior in time for the leakage of the impulse energy confined inside various granular containers.

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  • Received 19 November 2004

DOI:https://doi.org/10.1103/PhysRevLett.94.108001

©2005 American Physical Society

Authors & Affiliations

Jongbae Hong

  • School of Physics, Seoul National University, Seoul 151-747, Korea

See Also

Softening the Blow

Adrian Cho
Phys. Rev. Focus 15, 9 (2005)

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Issue

Vol. 94, Iss. 10 — 18 March 2005

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