Finite-size corrections for the attractive mean-field monomer-dimer model

The finite volume correction for a mean-field monomer-dimer system with an attractive interaction
are computed for the pressure density, the monomer density and the susceptibility. The results are
obtained by introducing a two-dimensional integral representation for the partition function
decoupling both the hard-core interaction and the attractive one. The next-to-leading terms for each
of the mentioned quantities are explicitly derived as well as the value of their sign that is
related to their monotonic convergence in the thermodynamic limit.

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