Abstract
We simulated the van Hemmen spin glass model by multicanonical algorithm. The exact results for this mean-field model are reproduced. Physical quantities such as energy density, specific heat, susceptibility and order parameters are evaluated at all temperatures. We also studied an alternate model with short range interactions, which displays the many-valley picture in 2D for random variables having values ±1.
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On leave of the absence from Department of Physics Engineering, Hacettepe University, Ankara, Turkey.
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Celik, T., Hansmann, U.H.E. & Katoot, M. The van Hemmen spin glass revisited. J Stat Phys 73, 775–788 (1993). https://doi.org/10.1007/BF01054350
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DOI: https://doi.org/10.1007/BF01054350