Uniaxial Lifshitz Point at O(εₗ²)
de Albuquerque, Luiz C. · Leite, Marcelo M.
Original · EN
The critical exponents νₗ₂, ηₗ₂ and γₗ₂ of a uniaxial Lifshitz point are calculated at two-loop level using renormalization group and εₗ-expansion techniques. We found a new constraint involving the loop momenta along the competition axis, which allows to solve the two-loop integrals. The exponent γₗ₂ obtained using our method is in good agreement with numerical estimates based on Monte Carlo simulations.
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