The crossover from mean-field to 3D-Ising critical behaviour in a 3-component microemulsion

H. Seto, D. Schwahn, E. Yokoi, M. Nagao, S. Komura, M. Imai, K. Mortensen

    Research output: Contribution to journalJournal articleResearch

    Abstract

    Density fluctuations and associated critical phenomena of water droplets in a water-in-oil microemulsion system have been studied, We have recently found a mean-field behavior in the ''near-critical region'', and this evidence suggested that a crossover from mean-field to non-mean-field behavior should be observed. Therefore, a measurement of small-angle neutron scattering was carried out at JAERI with more precise temperature steps. Indeed, the crossover from mean-held to 3D-Ising behavior was observed, and the result could be interpreted by the asymptotic crossover theory proposed by Belyakov and Kiselev.
    Original languageEnglish
    JournalPhysica B: Condensed Matter
    Volume213/214
    Pages (from-to)591-593
    ISSN0921-4526
    DOIs
    Publication statusPublished - 1995

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