Minicharged particles search by strong laser pulse-induced vacuum polarization effects
Minicharged particles search by strong laser pulse-induced vacuum polarization effects
复制标题
DOI：
10.1016/j.physletb.2016.10.068
复制
发表时间：
2016-08
影响因子：
4.4
通讯作者：
S. Villalba-Ch'avez;S. Meuren;C. Muller
中科院分区：
文献类型：
--
作者：
S. Villalba-Ch'avez;S. Meuren;C. Muller
基于激光的对尚未观测到的真空双折射的搜索可能对携带一小部分电子电荷的非常轻的假想粒子很敏感。我们表明，在当代技术的帮助下，由中等强度的光学激光脉冲驱动的偏振研究可能允许排除这些候选粒子的参数空间区域，这些区域迄今为止尚未被实验室测量数据丢弃。特别注意高斯波剖面的作用。本文认为，由于这些微小电荷，在真空变成二向色的能量状态下，探针光束通过分析器集交叉到初始偏振方向的传输概率将取决于诱导椭圆率和初始偏振平面的旋转。研究了与这些微小带电粒子的属性相关的弱场和强场状态，以及强场极化的相关性。
Laser-based searches of the yet unobserved vacuum birefringence might be sensitive for very light hypothetical particles carrying a tiny fraction of the electron charge. We show that, with the help of contemporary techniques, polarimetric investigations driven by an optical laser pulse of moderate intensity might allow for excluding regions of the parameter space of these particle candidates which have not been discarded so far by laboratory measurement data. Particular attention is paid to the role of a Gaussian wave profile. It is argued that, at energy regimes in which the vacuum becomes dichroic due to these minicharges, the transmission probability of a probe beam through an analyzer set crossed to the initial polarization direction will depend on both the induced ellipticity as well as the rotation of the initial polarization plane. The weak and strong field regimes, relative to the attributes of these minicharged particles, and the relevance of the polarization of the strong field are investigated.