论文标题
光子频率扩散过程
Photon frequency diffusion process
论文作者
论文摘要
我们在倒数空间上引入了随机的多光子动力学。假设各向同性，我们将标记光子成为频率的非线性马尔可夫过程的扩散极限。非线性源于刺激的发射。对于康普顿用热电子散射，限制过程描述了kompaneets方程周围的动态波动。更普遍地，我们构建了一个光子频率扩散过程，该过程使得能够包括非平衡效应。因此，可以探索普朗克法律的修改，我们将重点放在低频制度上。
We introduce a stochastic multi-photon dynamics on reciprocal space. Assuming isotropy, we derive the diffusion limit for a tagged photon to be a nonlinear Markov process on frequency. The nonlinearity stems from the stimulated emission. In the case of Compton scattering with thermal electrons, the limiting process describes the dynamical fluctuations around the Kompaneets equation. More generally, we construct a photon frequency diffusion process which enables to include nonequilibrium effects. Modifications of the Planck Law may thus be explored, where we focus on the low-frequency regime.
