非线性电动力学中电-磁场与其它暗能量的对应
Correspondence between Electro-Magnetic Field and other Dark Energies in Non-linear Electrodynamics
摘要：
本文考虑了充满电磁场的平坦FRW宇宙模型。首先讨论了线性形式的麦克斯韦电磁磁场，然后讨论了加速宇宙的非线性形式的修正拉格朗日量。计算了非线性电磁场的能量密度和压强。我们找到了电磁场产生暗能量的条件。研究了电-磁场与其他暗能量候选者，即快子场、DBI-本质、Chaubergin气体、hessence暗能量、k-essenece和k-on暗能量之间的对应关系。我们还重建了这种情况下的势函数和标量场。
英文摘要：
In this work, we have considered the flat FRW model of the universe filled with electro-magnetic field. First, the Maxwell's electro-magnetic field in linear form has been discussed and after that the modified Lagrangian in non-linear form for accelerated universe has been considered. The corresponding energy density and pressure for non-linear electro-magnetic field have been calculated. We have found the condition such that the electro-magnetic field generates dark energy. The correspondence between the electro-magnetic field and the other dark energy candidates namely tachyonic field, DBI-essence, Chaplygin gas, hessence dark energy, k-essenece and dilaton dark energy have been investigated. We have also reconstructed the potential functions and the scalar fields in this scenario.
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