Anisotropic Lifshitz point at O(epsilon(2)(L))
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Iop Publishing Ltd
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Abstract
We present the critical exponents nu (L2), eta (L2) and gamma (L) for an m-axial Lifshitz point at second order in an epsilon (L) expansion. We introduce a constraint involving the loop momenta along the m-dimensional subspace in order to perform two- and three-loop integrals. The results are valid in the range 0 less than or equal to m less than or equal to d. The case m = 0 corresponds to the usual Ising-like critical behaviour.
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English
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Journal of Physics A-mathematical and General. Bristol: Iop Publishing Ltd, v. 34, n. 22, p. L327-L332, 2001.
