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  1. No Access

    Article

    Thermodynamic properties of the spin-1/2 antiferromagnetic ladder under magnetic field

    Specific heat (CV) measurements in the spin-1/2 Cu2(C2H12N2)2Cl4 system under a magnetic field up to H =8.25 T are reported and compared to the results of numerical calculations based on the 2-leg antiferromagnet...

    R. Calemczuk, J. Riera, D. Poilblanc… in The European Physical Journal B - Condense… (1999)

  2. No Access

    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)