Some mathematical methods for frustration models
The adoption of the Lee-Yang method (search for the zeroes of the partition function) and the Peierls (or domain wall) argument is presented for the case of Ising frustration models. The first leads to some examples of extremely strong frustration and the second to an explicit demonstration of ordering via entropy barrier.
KeywordsPartition Function Closed Graph Specific Free Energy Ground State Configuration Entropy Barrier
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