通过反均匀化实验实现仿射变换线性化QED真空
Towards an experimental realization of affinely transformed linearized QED vacuum via inverse homogenization
摘要：
在量子电动力学（QED）的框架内，真空是一种非线性介质，在静磁场作用下，真空中的电磁场可以线性化。线性化QED真空是一种各向异性程度非常小的单轴介质-磁介质。通过实现空间坐标的仿射变换，各向异性的程度可以变得足够大以易于感知。逆Bruggeman形式主义可以实现指定一个均匀化的复合材料（HCM），这是电磁等效的afflessly变换的QED真空。这种HCM可以由非常简单的组成材料产生;例如，两种各向同性介电材料和两种各向同性磁性材料，随机分布为取向的球形颗粒。
英文摘要：
Within the framework of quantum electrodynamics (QED), vacuum is a nonlinear medium which can be linearized for a rapidly time-varying electromagnetic field with a small amplitude subjected to a magnetostatic field. The linearized QED vacuum is a uniaxial dielectric-magnetic medium for which the degree of anisotropy is exceedingly small. By implementing an affine transformation of the spatial coordinates, the degree of anisotropy may become sufficiently large as to be readily perceivable. The inverse Bruggeman formalism can be implemented to specify a homogenized composite material (HCM) which is electromagnetically equivalent to the affinely transformed QED vacuum. This HCM can arise from remarkably simple component materials; for example, two isotropic dielectric materials and two isotropic magnetic materials, randomly distributed as oriented spheroidal particles.
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