采用分子动力学模拟的方法研究了过冷水的结构和形核过程随电场强度变化的情况.对系统微观结构的分析显示在电场强度为0～1010 V/m范围内,处于200 K的过冷水在5 ns时间内不足以发生形核,只有当电场强度增加到1011 V/m或者温度降低到100 K时系统才能在5 ns内发生形核.模拟结果表明电场强度的改变对系统中水分子团簇的微观结构有明显影响,电场强度的增加能促进系统的短程有序性.
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