Multicritical points in two dimensions, the renormalization group and the ϵ expansion

@article{Howe1989MulticriticalPI,
  title={Multicritical points in two dimensions, the renormalization group and the ϵ expansion},
  author={P. Howe and P. West},
  journal={Physics Letters B},
  year={1989},
  volume={223},
  pages={371-376}
}
Abstract We calculate, using the ϵ expansion, the critical exponents for the two-dimensional potential φ2n. It is found that the results at lowest perturbative order are not in agreement with what would be expected from the proposed correspondence between such Landau-Ginsburg hamiltonians and minimal conformal field theories. 
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