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arxiv: 2511.00632 · v2 · submitted 2025-11-01 · ✦ hep-th · gr-qc

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Weyl double copy in Lifshitz spacetimes

Gokhan Alkac , Mehmet Kemal Gumus , Mehmet Ali Olpak
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classification ✦ hep-th gr-qc
keywords copydoubleprescriptionweylcaseslifshitzadoptingblack
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Lifshitz black hole solutions pose particular challenges for reconciling the two main formulations of the classical double copy: the Kerr-Schild double copy and the Weyl double copy. Recent work has suggested that consistency between the two can be restored, in certain cases, only by adopting a regularization prescription in the Weyl double copy. In this paper, we test this prescription on three examples from the literature, each with a distinct novel feature, and show that the prescription remains valid in all cases.

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  1. Minisuperspace Double Copy in Lifshitz Spacetimes

    hep-th 2026-04 unverdicted novelty 6.0

    A radial operator extracted from the reduced gravitational dynamics in Lifshitz spacetimes directly reproduces the Maxwell operator for the temporal single-copy field without using equations of motion.