Microscopic approach to critical phenomena at interfaces: an application to complete wetting in the Ising model.

@article{Orlandi2004MicroscopicAT,
  title={Microscopic approach to critical phenomena at interfaces: an application to complete wetting in the Ising model.},
  author={Augusto Orlandi and Alberto Parola and Luciano Reatto},
  journal={Physical review. E, Statistical, nonlinear, and soft matter physics},
  year={2004},
  volume={70 5 Pt 1},
  pages={
          051611
        }
}
We study how the formalism of the hierarchical reference theory (HRT) can be extended to inhomogeneous systems. HRT is a liquid-state theory which implements the basic ideas of the Wilson momentum-shell renormalization group (RG) to microscopic Hamiltonians. In the case of homogeneous systems, HRT provides accurate results even in the critical region, where it reproduces scaling and nonclassical critical exponents. We applied the HRT to study wetting critical phenomena in a planar geometry. Our… CONTINUE READING

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