论文标题
广义量子vlasov方程用于粒子创建和统一动力学
Generalized quantum Vlasov equation for particle creation and unitary dynamics
论文作者
论文摘要
由时间依赖的外部试剂引起的时间传递不变性的损失导致量子场理论的粒子产生效应。当选择规范量化的量子真空时，这种现象会导致歧义。在这项工作中，我们分析了创建粒子数量的时间演变如何取决于外部药物在空间均匀的情况下取决于这些歧义。特别是，我们概括了标准的量子vlasov方程，以适应其制定的可能性，即具有不同选择真空的可能性，包括绝热真空。这项研究导致我们提出的新物理标准比动态的单一实施更强大，以减少量化歧义。
The loss of time-translational invariance caused by a time-dependent external agent leads to particle creation effects in quantum field theory. This phenomenon results in ambiguities when selecting the quantum vacuum of the canonical quantization. In this work we analyze how the time evolution of the number of created particles depends on these ambiguities when external agents are spatially homogeneous. In particular, we generalize the standard quantum Vlasov equation in order to accommodate in its formulation the possibility of having different choices of vacuum, including adiabatic vacua. This study leads us to propose a new physical criterion stronger than the unitary implementation of the dynamics in order to reduce the quantization ambiguities.
