关于逆电动力学的注记
Remarks on inverse electrodynamics
摘要:
我们研究一种新的非线性电动力学(逆电动力学)的物理方面。结果表明,在外加磁场存在的情况下,这种新的电动力学表现出真空双折射现象,从而计算了光的弯曲。之后,我们计算的规范不变的框架内,但路径依赖变量形式主义的相互作用能的最低阶修改。我们的计算表明,相互作用能包含一个长程(${1 \mathord{\left/ {\vphantom {1 {r^5}}} \right.\kern-\nulldelimiterspace} {r^5}}$型)修正库仑势。
英文摘要:
We study physical aspects for a new nonlinear electrodynamics (inverse electrodynamics). It is shown that this new electrodynamics displays the vacuum birefringence phenomenon in the presence of external magnetic field, hence we compute the bending of light. Afterwards we compute the lowest-order modification to the interaction energy within the framework of the gauge-invariant but path-dependent variables formalism. Our calculations show that the interaction energy contains a long-range (${1 \mathord{\left/ {\vphantom {1 {r^5}}} \right.\kern-\nulldelimiterspace} {r^5}}$-type) correction to the Coulomb potential.
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