标题： 3+1维de Sitter空间中的有限粒子创生 显示英文标题

标题： Finite particle creation in 3+1 de Sitter space

摘要： 本文中我们计算了在三维de Sitter空间中由静止观察者观测到的粒子创生。 这种粒子创生是利用一种依赖于观察者的基于几何的时间定义来计算的，该定义用于在两个不同的类空表面上对场进行量子化。 然后计算出联系这两种量子化的Bogolubov变换，并证明由此产生的粒子创生是有限的。 显示英文摘要

摘要： In this paper we calculate the particle creation as seen by a stationary observer in 3+1 de Sitter space. This particle creation is calculated using an observer dependent geometrically based definition of time which is used to quantize a field on two different spacelike surfaces. The Bogolubov transformation relating these two quantizations is then calculated and the resulting particle creation is shown to be finite.