The Lee–Wick fields out of gravity

2007/05/31 by Feng Wu, Ming Zhong · 4 citations
Physics and Astronomy · #Black Holes and Theoretical Physics #Cosmology and Gravitation Theories #Quantum Electrodynamics and Casimir Effect #hep-ph #hep-th

paper · pdf · doi:10.1016/j.physletb.2007.11.082

published as Phys.Lett.B659:694-697,2008 · 8 pages, 1 figure, typos fixed

openalex publication_date 2007/12/06 · arxiv created 2007/12/28 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

We study the Maxwell–Einstein theory in the framework of effective field theories. We show that the modified one-loop renormalizable Lagrangian due to quantum gravitational effects contains a Lee–Wick vector field as an extra degree of freedom in the theory. Thus gravity provides a natural mechanism for the emergence of this exotic particle.

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