Absence of the small tricritical deviation from the mean-field approximation for the isotropic-nematic phase transition |
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| Authors: | V.M. Filyov |
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| Affiliation: | Solid State Physics Institute, USSR Academy of Sciences, Chernogolovka 142432, USSR |
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| Abstract: | The tricritical behaviour of the isotropic-nematic phase transition is studied. The presence of two independent sixth-order terms in the free energy expansion breaks the conventional tricritical behaviour and eliminates the tricritical restriction for the deviation from the mean-field approximation. |
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