QFT中动力学隧穿的广义逃逸路径
Generalised escape paths for dynamical tunneling in QFT
摘要：
本文基于泛函薛定谔方程，在半经典水平上分析了量子场论中的含时隧穿。整个问题逐步减少到一个有限维的量子力学设置和解决使用WKB近似。作为一个例子，我们考虑从纯量量子场论中均匀振荡初态的隧穿。
英文摘要：
We present a formalism based on the functional Schrödinger equation to analyse time-dependent tunneling in quantum field theory at the semi-classical level. The full problem is reduced step by step to a finite dimensional quantum mechanical setup and solved using the WKB approximation. As an example, we consider tunneling from a homogeneous oscillating initial state in scalar quantum field theory.
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