Ramond Sector Characters and N = 2 Landau – Ginzburg Models

  title={Ramond Sector Characters and N = 2 Landau – Ginzburg Models},
  author={Philippe Di Francesco},
We give a direct proof of the new ”product” expression for the Ramond sector characters of N=2 minimal models recently suggested by E. Witten. Our construction allows us to generalize these expressions to the D and E series of N=2 minimal models, as well as to other N=2 Kazama–Suzuki coset models such as SU(N)×SO(2(N−1))/SU(N−1)×U(1). We verify that these expressions indeed coincide with the corresponding Landau–Ginzburg ”elliptic genus”, a certain topologically invariant twisted path integral… CONTINUE READING
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