Common integrals in quantum field theory: Difference between revisions

Revision as of 18:01, 19 April 2022

Revision as of 18:01, 19 April 2022

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:<math>\begin{align}

\lambda_{\pm} &= {1\over 2} ( a+b) \pm {1\over 2}\sqrt{(a+b)^2-4(ab - c^2)}. \\

\lambda_{\pm} &= {1\over 2} ( a+b) \pm {1\over 2}\sqrt{a^2 +2ab + b^2 -4ab + 4c^2}. \\

\lambda_{\pm} &= {1\over 2} ( a+b) \pm {1\over 2} \sqrt{(a-b)^2+4c^2}.

\end{align}</math>