论文标题
原始血浆:非理想性对平衡辐射的影响
Primordial plasma: influence of non-ideality on equilibrium radiation
论文作者
论文摘要
低频区域研究了麦克斯韦血浆中平衡辐射的渐近行为。可以表明,对于弱的非理想等离子体,平衡辐射基本上可能偏离普朗克定律。横向介电介电常数描述了与Planck分布的偏差,该横向电介电介电常数考虑到频率和空间分散。血浆非理想性的影响随着介电介电常数中的非理想参数的增加而增加。平衡辐射的光谱能分布在可观察到的频率区域基本变化。在渐近频率下,从对数转移到平衡辐射的功率行为。结果表明,在早期宇宙的原始等离子体中,辐射的光谱能分布可能与普朗克辐射的光谱分布不同。
The asymptotic behavior of the equilibrium radiation in Maxwellian plasma is investigated for the region of low frequencies. It is shown, that already for a weakly non-ideal plasma the equilibrium radiation can essentially deviate from the Planck law. The deviation from the Planck distribution is described by the transverse dielectric permittivity which takes into account both frequency and spatial dispersion. The influence of plasma non-ideality increases with increase of the non-ideality parameter in the in the dielectric permittivity. The spectral energy distribution of the equilibrium radiation essentially changes in the region of observable frequencies. At asymptotically low frequencies there is transfer from logarithmic to power behavior of the equilibrium radiation. The results indicate that in the primordial plasma of Early Universe the spectral energy distribution of radiation could be different then the Planck one.