The curvature of space due to one photon is inaccessible

[microresearch]

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We show that the curvature of space due to a single photon with λ > lp is less than the Planck length (lp). Only a photon with precisely λ = lp curves space by Δlg.

https://doi.org/10.31219/osf.io/wru6z

Open Physics Collaboration

Op. J. Math. Phys.
Volume 1, Article 44, 2019 [BR]

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Negative mass as a source of gravity

[original insight]

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We propose that negative mass can be the source of gravity in the quantum vacuum.

https://doi.org/10.31219/osf.io/k4gtz

Open Physics Collaboration

Op. J. Math. Phys.
Volume 1, Article 36, 2019 [BJ]