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Phys Rev Lett. 2001 May 14;86(20):4572-5.

Peierls transition with acoustic phonons and solitwistons in carbon nanotubes.

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Institute for Theoretical Physics and Materials Science Center, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands.


We show that the Peierls instability can result in softening of acoustic phonons with small wave vectors and suggest that this unusual transition takes place in carbon nanotubes, resulting in a static twist deformation of the nanotube lattice. The topological excitations in the ordered phase are immobile and propagate only in pairs.

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