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arXiv 0802.1642math-phmath.MP
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整体双曲时空微扰量子场论中的时间片公理

The time slice axiom in perturbative quantum field theory on globally hyperbolic spacetimes

Bruno Chilian, Klaus Fredenhagen

摘要:

时间片公理指出,可以在任意小的时间间隔内测量的可观测量足以预测所有其他可观测量。虽然众所周知的自由场论的有效性的时间片公理是一个直接后果的领域方程,它是不知道是否也持有一般的相互作用理论,唯一的例外是某些superrenormalizable模型在2维。本文证明了时间片公理至少对形式重整化微扰论中的标量场成立。

英文摘要:

The time slice axiom states that the observables which can be measured within an arbitrarily small time interval suffice to predict all other observables. While well known for free field theories where the validity of the time slice axiom is an immediate consequence of the field equation it was not known whether it also holds in generic interacting theories, the only exception being certain superrenormalizable models in 2 dimensions. In this paper we prove that the time slice axiom holds at least for scalar field theories within formal renormalized perturbation theory.

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