Revisiting universality of the liquid-gas critical point in two dimensions.

  title={Revisiting universality of the liquid-gas critical point in two dimensions.},
  author={Max Yarmolinsky and Anatoly B. Kuklov},
  journal={Physical review. E},
  volume={96 6-1},
Critical point of liquid-gas (LG) transition does not conform with the paradigm of spontaneous symmetry breaking because there is no broken symmetry in both phases. We revisit the conjecture that this critical point belongs to the Ising class by performing large scale Monte Carlo simulations in two-dimensional free space in combination with the numerical flowgram method. Our main result is that the critical indices do agree with the Onsager values within the error of 1%-2%. This significantly… 
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