Abstract
The longitudinal phonon spectrum of an incommensurate chargedensity-wave (CDW)-distorted linear chain is obtained for all wavevectors, at T=O°K in a mean-field approach. We show how the longitudinal phonon branch connects with the phase and amplitude modes. The qualitative behaviour of the neutron scattering intensities of the various modes is also described.
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Pertinent results for the same problem are also discussed by K. Käfer, this book.
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© 1979 Springer-Verlag
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Giuliani, G., Tosatti, E. (1979). Longitudinal phonon spectrum of incommensurate one-dimensional charge-density-waves. In: Bariŝić, S., Bjeliŝ, A., Cooper, J.R., Leontić, B.A. (eds) Quasi One-Dimensional Conductors I. Lecture Notes in Physics, vol 95/1. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0052792
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DOI: https://doi.org/10.1007/BFb0052792
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