Abstract
We discuss the dynamics of infinitely long double spirals of discret mass points. We use harmonic lattice theory. The secular equation of degree 3 is derived and the eigenfrequencies and eigenvibrations are calculated. The appendix contains a useful method to separate the optical from the acoustical modes to get the elastical limit.
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Herrn Dr. H. H.Stiller danken wir für die Anregung zu dieser Arbeit und Herrn Professor Dr. G.Leibfried für viele Diskussionen.
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Capellmann, H., Biem, W. Eigenschwingungen von Doppelspiralen aus diskreten Massenpunkten. Z. Physik 209, 276–288 (1968). https://doi.org/10.1007/BF01380075
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DOI: https://doi.org/10.1007/BF01380075