在分子场近似下,研究分子双轴性对向列相液晶在各向同性相最低过冷温度的影响.以及对临界磁场的影响.当外加磁场大于临界磁场时,不发生向列相-各向同性相相变.理论结果表明,通过考虑分子双轴性,最低过冷温度T·与相变温度Tc的比值向实验值靠近.随着分子双轴性的增加,临界磁场很快下降.
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