论文标题
宇宙弦对库仑电势产生的对速率的影响
Influence of a cosmic string on the rate of pairs produced by the Coulomb potential
论文作者
论文摘要
我们在存在静态宇宙弦的引力场的情况下，通过外部电场的库仑电势研究颗粒的创造现象。为此，求解了广义的klein-gordon和Dirac方程，通过使用Bogoliubov转换，我们计算了创建粒子的概率和数量密度。结果表明，宇宙弦的存在增强了粒子的产生。对于大统一理论（GUT）宇宙字符串，如果库仑电势核充电$ z \ geq206 $，而对于spin-1/2粒子，则可以产生无旋转颗粒的产生。
We study particle creation phenomenon by the Coulomb potential of an external electric field in the presence of a gravitational field of a static cosmic string. For that, the generalized Klein-Gordon and Dirac equations are solved, and by using the Bogoliubov transformation we calculate the probability and the number density of created particles. It is shown that the presence of the cosmic string enhances the particle production. For the grand unified theory (GUT) cosmic string, the production of spinless particles is possible if the Coulomb potential nucleus charge $Z\geq206$, and for spin-1/2 particles if $Z\geq275$.
