三维直流场“虫洞”THE 'WORMHOLE' OF THREE DIMENSIONAL DIRECT CURRENT FIELD
曹剑锋,张龙飞,靳天玉,梅中磊
摘要(Abstract)：
三维直流场"虫洞"借用了时空"虫洞"的概念。笔者首先基于拉普拉斯方程,利用球坐标系下分离变量的方法,推导了三维均匀直流场中的球形隐形装置及其电导率参数;在此基础上,通过在该隐形装置中沿着垂直于外加电场方向的直径挖出一条"隧道",并在该"隧道"中填充各向异性电导率的材料,得到了外加电场探测不到的"虫洞"模型。最后,根据上述理论结果,利用COMSOL软件仿真实现了能够传输直流场的隐形通道,进一步从模型仿真上验证了该理论的正确性。
关键词(KeyWords)： 直流场隐形;“虫洞”;拉普拉斯方程
基金项目(Foundation): 国家自然科学基金资助项目(61631007,61640017)
作者(Author): 曹剑锋,张龙飞,靳天玉,梅中磊
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