leggett-garg inequality 1nonclassicality 1photon-graviton conversion 1quantum gravity 1temporal correlations 1
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2 papers
gr-qc2026
Violation of the Leggett-Garg inequality in photon-graviton conversion
Kimihiro Nomura, Akira Taniguchi, Kazushige Ueda
The authors demonstrate that photon‑graviton conversion in a magnetic field produces a photon‑graviton superposition whose temporal correlations violate the Leggett‑Garg inequality…
gr-qc2026★ 1 cited
Imprints of Dark Photons on Gravitational Wave Polarizations
Kimihiro Nomura, Jiro Soda, Kazushige Ueda +1
We study conversion processes between gravitons and dark photons and reveal the effects of dark photons on the polarization of gravitational waves. Considering cosmological dark ma…