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    Chapter and Conference Paper

    Critical fluctuations in the 2D XY antiferromagnet BaNi2(PO4)2 : NMR measurements

    Non-linear excitations are known to play a crucial role in low-dimensional magnetism. For the two-dimensional (2D) XY model these non-linear excitations are described in terms of vortices which govern the so-c...

    Ph. Gaveau, J. P. Boucher, L. P. Regnault, Y. Henry in Nonlinear Coherent Structures (1990)

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    Chapter and Conference Paper

    Evidence for Soliton Excitations in the One-Dimensional Antiferromagnet TMMC

    The magnetic compound (CD3)4NMnCl3(TMMC) represents a very good realization of a one-dimensional antiferromagnetic system with a spin S = 5/2 [1]. Calculations [2] have shown that dipolar interactions must induce...

    L. P. Regnault, J. P. Boucher, J. Rossat-Mignod, J. P. Renard… in Physics in One Dimension (1981)