Phonons and Solitons in 1D Mott Insulators

Details Phonons and Solitons in 1D Mott Insulators Phonons and Solitons in 1D Mott Insulators

2000-10-31

arxiv.org/abs/cond-mat/0010497v1

Physics

Condensed Matter

Strongly Correlated Electrons

3 Pages

Scientific paper

10.1103/PhysRevB.64.113406

We study the problem of one-dimensional (1D) Luttinger liquids in the insulating Mott-Hubbard phase in the presence of acoustic phonons in the semiclassical limit. We show that solitonic excitations can propagate freely in the system and the energy required to produce a soliton is reduced by a polaronic effect. We find a critical value of the electron-phonon coupling constant for which this energy vanishes.

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