Abstract
The problem of covering every site of a subsection of the honeycomb lattice with disjoint edges is considered. It is pointed out that a type of long-range order associated to such coverings can occur, so that different phases can arise as a consequence of the subsection's boundaries. These features are quantitatively investigated via a new analytic solution for a class of strips of arbitrary widths, arbitrary lengths, and arbitrary long-range-order values. Relations to work on the dimer covering problem of statistical mechanics and especially to the resonance theory of benzenoid hydrocarbons are noted.
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Supported by The Robert A. Welch Foundation of Houston, Texas
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Klein, D.J., Hite, G.E., Seitz, W.A. et al. Dimer coverings and Kekulé structures on honeycomb lattice strips. Theoret. Chim. Acta 69, 409–423 (1986). https://doi.org/10.1007/BF00526700
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DOI: https://doi.org/10.1007/BF00526700