Events as Spacetime Anchors: Local Irreversibility at the Interface of Quantum Field Theory and Relativity

• URL: http://arxiv.org/abs/2607.13096v1
• Date: Tue, 14 Jul 2026 04:41:25 GMT
• Title: Events as Spacetime Anchors: Local Irreversibility at the Interface of Quantum Field Theory and Relativity
• Abstract summary: General relativity is organized around spacetime events and their causal order, whereas quantum field theory is formulated in terms of states, operators, and unitary evolution.<n>We propose an event-centered framework in which events are locally irreversible records generated by quantum-environment interactions.
• Score: 5.0593980818629865
• License: http://creativecommons.org/licenses/by-nc-nd/4.0/
• Abstract: General relativity (GR) is naturally organized around spacetime events and their causal order, whereas quantum field theory (QFT) is formulated in terms of states, operators, and unitary evolution, without an intrinsic criterion for when a quantum process becomes a definite spacetime fact. We propose an event-centered framework in which events are locally irreversible records generated by quantum-environment interactions and serve as an interface between quantum dynamics and relativistic spacetime structure. Event anchoring is characterized operationally by three jointly sufficient conditions: local classicalization, redundant environmental recording, and irreversibility against recovery. Their joint satisfaction defines local generative freezing. We realize these criteria in an explicit repeated-collision open-system model. The model is illustrative rather than a derivation from relativistic QFT, but it remains globally unitary and yields the freezing time in closed form. For all admissible tolerances, local classicalization is certified no later than channel-level irrecoverability, and generically earlier. Full anchoring occurs only when both irrecoverability and the required record redundancy have been reached, producing irrecoverability-limited and redundancy-limited regimes. At the level of anchored records, physical history is therefore represented as a partially ordered causal skeleton of frozen events on which effective field-theoretic descriptions operate. The framework addresses event anchoring--when a candidate outcome becomes a stable spacetime fact--while remaining compatible with standard QFT and relativistic causality. It does not derive the Born rule or solve single-outcome selection, which belong to the separate problem of event generation.

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