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In the spin-Peierls compound CuGeO$_{3}$, the commensurate-incommensuratetransition concerning the modulation of atomic position and the localspin-polarization is fully monitored at T=0 by the application of an externalmagnetic field ($H$) above a threshold value $H_{c}\simeq $ 13 Tesla. Thesolitonic profile of the spin-polarization, as well as its absolute magnitude,has been precisely imaged from $^{65}Cu$ NMR lineshapes obtained for$h=(H-H_{c})/H_{c}$ varying from 0.0015 to 2. This offers a unique possibilityto test quantitatively the various numerical and analytical methods developedto solve a generic Hamiltonian in 1-D physics, namely strongly interactingfermions in presence of electron-phonon coupling at arbitrary band filling.Comment: 3 pages, 4 eps figures, RevTeX, submitted to Physical Review Lette

physical review letters

NMR Imaging of the Soliton Lattice Profile in the Spin-Peierls Compound<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mi mathvariant="normal">CuGeO</mml:mi></mml:mrow><mml:mrow><mml:mn>3</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>

NMR Imaging of the Soliton Lattice Profile in the Spin-Peierls CompoundCuGeO3