File:1D normal modes (280 kB).gif

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1D_normal_modes_(280_kB).gif ‎(275 × 275 pixels, file size: 278 KB, MIME type: image/gif, looped, 100 frames, 4.0 s)

Summary

Shown above are longitudinal acoustic phonons in a 1D-lattice. These six different phonons have identical amplitudes (y) but have wavelengths of the following increments of molecular pitch: λ = 2, 2.4, 3, 4, 6, and 12. Their ratios of frequency (ωk) over their natural frequency (ω) range from 0.52 to 2.00 ωk/ω.

Licensing

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File history

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Date/TimeThumbnailDimensionsUserComment
current03:53, 7 January 2017Thumbnail for version as of 03:53, 7 January 2017275 × 275 (278 KB)127.0.0.1 (talk)<p>Shown above are longitudinal acoustic phonons in a 1D-lattice. These six different phonons have identical amplitudes (<i>y</i>) but have wavelengths of the following increments of molecular pitch: λ = 2, 2.4, 3, 4, 6, and 12. Their ratios of frequency (ω<sub><i>k</i></sub>) over their natural frequency (ω) range from 0.52 to 2.00 ω<sub><i>k</i></sub>/ω. </p>
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