Nature of the singularity of the "diameter" of the coexistence curve near the critical point
Berestov A.T. , Gorodetskii E.E., Zaprudskii V.M.
It is shown that allowance for the ternary interaction between particles in the lattice-gas model leads to a singularity of the "diameter" of the coexistence curve. An estimate is presented of the required accuracy, and a new method is proposed for the experimental observation of this singularity.
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![](/ps/1460/article_22230_800_head.png "It is shown that allowance for the ternary interaction between particles in the lattice-gas model leads to a singularity of the "diameter" of the coexistence curve. An estimate is presented of the required accuracy, and a new method is proposed for the experimental observation of this singularity.")