Use a program like Mathematica to solve (7.5.10) for (k). Setting c = 1 and () =

Use a program like Mathematica to solve (7.5.10) for ω(k). Setting c = 1 and ϵ(∞) = 1, plot both branches of ω(k) for various values of the splitting ω²_L−ω²_T , and show that in the limit of zero splitting there is one single photon branch with ω = ck.

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6² = c²k² € (00)/60 (w² - w² w-w² w2 (7.5.10)