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4 papers · 2 filters
The ferroelectric Mott-Hubbard phase of organic (TMTTF)2X conductors
P. Monceau, F. Ya. Nad, S. Brazovskii
We present experimental evidences for a ferro-electric transition in the family of quasi one- dimensional conductors (TMTTF)2X. We interpret this new transition in the frame of the…
X-Ray Scattering Evidence for Macroscopic Strong Pinning Centers in the Sliding CDW state of NbSe_3
D. Rideau, P. Monceau, R. Currat +6
Using high-resolution X-ray scattering techniques, we measure the variation, q(x), of the position in reciprocal space of the CDW satellite, in the sliding state, along the length…
Topological Character of Excitations in Strongly Correlated Electronic Systems: Confinement and Dimensional Crossover
S. Brazovski
Topologically nontrivial states are common in symmetry broken phases at macroscopic scales. Low dimensional systems bring them to a microscopic level where solitons emerge as singl…
Topological Defects in Spin Density Waves
N. Kirova, S. Brazovskii
The rich order parameter of Spin Density Waves allows for unusual object of a complex topological nature: a half-integer dislocation combined with a semi-vortex of a staggered magn…