Gravitational Phantoms: Domain Walls Instead of Black Holes ✦

Original: "Short Gravitational-Wave Transients as Probes of Cosmic Domain Walls"

· Tore Boybeyi, Doga Veske, David Maibach

arXiv:2606.06478v1 · 2026-06-04 · CC BY · ⏱ 1 min · General Relativity Cosmology High Energy HEP Phenomenology

The topological dark matter hypothesis explains anomalous gravitational signals as cosmic domain walls — macroscopic quantum defects — passing through Earth.

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The two mysterious gravitational bursts captured by LIGO may not have been black hole mergers at all. Cosmic "walls" — defects of space left over from the birth of the Universe — could have slipped through the Earth. They distorted the light in the detectors for just a fraction of a second. If enough such events accumulate, we will prove that dark matter is a field ripple, not particles. Physics stands on the threshold of decoding the faintest whisper of creation.

🎯 If the hypothesis is correct, then every day a domain wall a hundred meters thick passes through the Earth — and it can only be noticed by a fleeting phase shift of a laser beam in a kilometers-long interferometer.

🎬 The idea of macroscopic quantum objects passing silently through the Earth echoes the "Dark Forest" hypothesis — about hidden cosmic structures subtly influencing reality. It seems to have stepped right out of science fiction, where invisible "strings" or multidimensional defects pierce the cosmos, reminding us: the Universe may turn out to be far more bizarre than we're used to thinking.

\phi(u) = \frac{4f}{N_\phi} \arctan(e^{m_\phi u})

Field configuration interpolating between vacua

S(t) = \sin^2(4N_{\text{ratio}}\arctan(\exp(2(t-t_0)/\tau_w)))

Temporal response shape from wall passage

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Gravitational Phantoms: Domain Walls Instead of Black Holes ✦