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Susceptibility amplitude ratio near a Lifshitz point

Marcelo M. Leite
(
- SUNY, Stony Brook
)

Oct, 1999

7 pages

Published in:

Phys.Rev.B 61 (2000) 14691-14693

e-Print:

cond-mat/9910199 [cond-mat]

DOI:

10.1103/PhysRevB.61.14691

Report number:

YITP-P-99-54

View in:

ADS Abstract Service

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Abstract: (arXiv)

The susceptibility amplitude ratio in the neighborhood of a uniaxial Lifshitz point is calculated at one-loop level using field-theoretic and

\epsilon_{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

.

05.70.Jk
05.10.Cc

References(17)

Figures(0)

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