Visualization intrinsic localized modes with a nonlinear micromechanical array
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Abstract
金沢大学理工研究域数物科学系 金沢大学理学部
Micromechanical cantilever arrays provide the opportunity to visualize the nonlinear excitations of a discrete nonlinear system in real time. Both stationary and moving localized nonlinear excitations can be produced either by driving the system at a frequency outside the plane wave spectrum or by driving the system at a frequency within the small amplitude dispersion curve range. To see these modes the tips of the cantilevers are imaged on a 1D CCD camera. The brightness of the image depends on the oscillation amplitude of the cantilever, so that a distribution of amplitudes in the array can be recorded as a function of position and time. Both the stationary and traveling excitations have been successfully simulated using a nonlinear lumped element lattice model. The former ILM can appear in any size lattice while the latter requires a low density of modes for the formation of smoothly running excitation. © 2008 American Institute of Physics.
Journal
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- Low Temperature Physics
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Low Temperature Physics 34 (7), 543-548, 2008-01-01
American Institute of Physics
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Details 詳細情報について
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- CRID
- 1050282810919045248
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- NII Article ID
- 120000807296
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- NII Book ID
- AA10922833
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- ISSN
- 1063777X
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- Web Site
- http://hdl.handle.net/2297/11726
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- Text Lang
- en
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- Article Type
- journal article
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- Data Source
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- IRDB
- CiNii Articles