Observation of solitary elastic surface pulses

Lomonosov, A. M. and Hess, P. and Mayer, A. P. (2002) Observation of solitary elastic surface pulses. PHYSICAL REVIEW LETTERS, 88 (7): 076104. ISSN 0031-9007

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Abstract

The formation of solitary elastic surface pulses from laser-generated pulselike initial conditions is reported. The nonlinearity of the medium is compensated by both normal dispersion and anomalous dispersion, which were realized by coating isotropic fused silica by a metal and titanium nitride film, respectively. As an anisotropic material, silicon covered with an oxide layer was studied. The experimental results agree with numerical simulations carried out with a nonlocal evolution equation, which describes nonlinear propagation of surface acoustic waves in a dispersive medium.

Item Type: Article
Uncontrolled Keywords: RAYLEIGH-WAVES; ACOUSTIC-WAVES; SOLITONS;
Subjects: 500 Science > 530 Physics
Divisions: Physics > Institute of Theroretical Physics
Depositing User: Dr. Gernot Deinzer
Date Deposited: 09 Nov 2021 09:20
Last Modified: 09 Nov 2021 09:20
URI: https://pred.uni-regensburg.de/id/eprint/40588

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