In the preceding problem, put (s=0) and approach the tricritical point along the (r)-axis, setting (r approx

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In the preceding problem, put \(s=0\) and approach the tricritical point along the \(r\)-axis, setting \(r \approx r_{1} t\). Show that the critical exponents pertaining to the tricritical point in this model are

\[
\alpha=\frac{1}{2}, \beta=\frac{1}{4}, \gamma=1, \text { and } \delta=5
\]

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