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April 4, 2026Open Access

Windowed Quantum Field Theory: Domain-Restricted Actions, Standard Model Recovery, and the Vanishing of Delocalized Stress-Energy

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Authors

SHShawn Hackett

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Overview

This analysis develops windowed actions in quantum field theory, addressing stress-energy boundaries and implications for the Standard Model.

Key Points

  • The aim is to investigate the effects of window functions on the structure of quantum field theories in curved spacetime.
  • Introduced smooth window functions into the matter action of a covariant field theory.
  • Analyzed consequences for each sector of the Standard Model using the windowed action approach.
  • Applied Noether analysis to derive windowed Ward identities and examine gauge invariance.
  • Decomposed non-local boundary terms required by the Bianchi identity.
  • Identified boundary-layer corrections to windowed Ward identities confined to decoherence regions.
  • Showed that the non-local boundary term decomposes into compensating and remnant stresses.
  • Demonstrated that standard field behavior leaves no macroscopic stress-energy remnant after coarse-graining.

Cite This Study

Shawn Hackett (2026) studied this question.

synapsesocial.com/papers/69d0aee0659487ece0fa4c31https://doi.org/10.5281/zenodo.19378691
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