Abstract
We study a symmetric binary mixture of equidiameter hard-spheres with repulsive Yukawa interaction for unlike atoms and attractive Yukawa interaction for like atoms. Due to a fully analytical approach we find that, for all values of the Yukawa exponentz≠0, the critical exponents are of the mean-spherical type. The critical region gets narrower with the increase of the range of the potential, causing a failure of the ordinary numerical analysis. Therefore, the previous analysis, based on numerically accessible region near the critical point, that predicted the mean-field structure of the critical exponents for small values ofz, was not adequate.
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Konior, J., Jedrzejek, C. Critical behaviour in MSA for a symmetric Yukawa mixture. Z. Physik B - Condensed Matter 80, 125–130 (1990). https://doi.org/10.1007/BF01390658
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DOI: https://doi.org/10.1007/BF01390658