Abstract
We show that at low temperatures the d dimensional Blume–Emery–Griffiths model in the antiquadrupolar-disordered interface has all its infinite volume correlation functions \(\left\langle \prod _{i\in A}\sigma _i^{n_i}\right\rangle _{\tau }\), where \(A\subset \mathbb {Z}^d\) is finite and \(\sum _{i\in A}n_i\) is odd, equal zero, regardless of the boundary condition \(\tau \). In particular, the magnetization \(\langle \sigma _i\rangle _{\tau }\) is zero, for all \(\tau \). We also show that the infinite volume mean magnetization \(\lim _{\Lambda \rightarrow \infty }\Big \langle \frac{1}{|\Lambda |}\sum _{i\in \Lambda }\sigma _i\Big \rangle _{\Lambda ,\tau }\) is zero, for all \(\tau \).
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The author is grateful to the Brazilian funding agency FAPEMIG for financial support, Ronald Dickman for helpful discussions and the anonymous referees for their valuable suggestions.
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Lima, P.C. Low Temperature Analysis of Correlation Functions of the Blume–Emery–Griffiths Model at the Antiquadrupolar-Disordered Interface. J Stat Phys 165, 645–660 (2016). https://doi.org/10.1007/s10955-016-1631-8
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DOI: https://doi.org/10.1007/s10955-016-1631-8