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SciCode / 70.6 / Write a function to calculate the two SU(3) invariants …
Problem
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Write a function to calculate the two SU(3) invariants and , where is the expansion coefficients defined in prompt () and is the tensor defined in prompt (). Sum over all indices. Then use the two invariants to calculate the following terms with and . Return a list containing , , and , in this order.
Plain-text mathematical notation (without MathML)
Write a function to calculate the two SU(3) invariants |h|²≡h_(k)h^(k) and ⟨h⟩≡d_(ijk)h^(i)h^(j)h^(k), where h is the expansion coefficients defined in prompt () and d_(ijk) is the tensor defined in prompt (). Sum over all indices. Then use the two invariants to calculate the following terms ψ_(m)≡(2|h|)/(√(3))cos[(1)/(3)(χ+2πm)] with m=1,2,3 and cos(χ)=−√(3)⟨h⟩/|h|³. Return a list containing h₂, h₃, and ψ_(m), in this order.
Original LaTeX notation
Write a function to calculate the two SU(3) invariants $|h|^{2} \equiv h_{k} h^{k}$ and $\langle h\rangle \equiv d_{i j k} h^{i} h^{j} h^{k}$, where $h$ is the expansion coefficients defined in prompt () and $d_{ijk}$ is the tensor defined in prompt (). Sum over all indices. Then use the two invariants to calculate the following terms $\psi_{m} \equiv \frac{2|h|}{\sqrt{3}} \cos \left[\frac{1}{3}(\chi+2 \pi m)\right]$ with $m=1,2,3$ and $\cos (\chi)=-\sqrt{3}\langle h\rangle /|h|^{3}$. Return a list containing $h_2$, $h_3$, and $\psi_{m}$, in this order.Discussion
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