Nonlinear Theory and Its Applications, IEICE
Online ISSN : 2185-4106
ISSN-L : 2185-4106
Special Section on Energy Localization and Waves in Nonlinear Lattices
Intrinsic localized mode as in-plane vibration in two-dimensional Fermi-Pasta-Ulam lattices
Yusuke DoiAkihiro Nakatani
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2012 Volume 3 Issue 1 Pages 67-76

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Abstract

Intrinsic localized modes (ILMs) in two dimensional Fermi-Pasta-Ulam lattices are investigated. We consider in-plane vibrations of particles which have two degrees of freedom. We find two types of ILMs, quasi-one dimensional ILM and two dimensional ILM. Effect of interaction of second nearest neighbor lattices on stricture is also discussed.

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© 2012 The Institute of Electronics, Information and Communication Engineers
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