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Susceptibility Amplitude Ratios Near a Lifshitz Point

Marcelo M. Leite
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Abstract

The susceptibility amplitude ratio in the neighborhood of a uniaxial Lifshitz point is calculated at one-loop level using field-theoretic and $ε_{L}$-expansion methods. We use the Schwinger parametrization of the propagator in order to split the quadratic and quartic part of the momenta, as well as a new special symmetry point suitable for renormalization purposes. For a cubic lattice (d = 3), we find the result $\frac{C_{+}}{C_{-}} = 3.85$.

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BibTeXRIS

Marcelo M. Leite. 1999-10-13. Susceptibility Amplitude Ratios Near a Lifshitz Point. https://doi.org/10.1103/physrevb.61.14691

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