*''mathematical physics'' -- the ''Encyclopedia Britannica'' defines it as the "[b]ranch of mathematical analysis that emphasizes tools and techniques of particular use to physicists and engineers."
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*''mathematical physics'' -- the ''Encyclopedia Britannica'' defines it as the "[b]ranch of mathematical analysis that emphasizes tools and techniques of particular use to physicists and engineers."<ref>For example, the Ising model can be used to explain the existence of the [[Curie point]], the temperature above which ferromagnetic materials lose magnetic properties.</ref>