Singular instantons and creation of open universes

Alexander Vilenkin (Tufts University)

Singular instantons and creation of open universes

Not yet reviewed by Pith; the record is open.

Re-run · record.json Download PDF Read on arXiv ↗

This paper has not been read by Pith yet. Machine review is queued; the pith claim, tier, and objections will appear here once it completes.

SPECIMEN: schema-true, not a live event

T0 review · schema-true

One-sentence machine reading of the paper's core claim.

pith:XXXXXXXX · record.json · timestamp

arxiv hep-th/9803084 v2 pith:7R27DQ4J submitted 1998-03-10 hep-th astro-phgr-qc

Singular instantons and creation of open universes

Alexander Vilenkin (Tufts University) This is my paper

classification hep-th astro-phgr-qc

keywords creationinstantonsopensingularuniversescannotconsequencesdescribe

verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved

0 comments

read the original abstract

Singular instantons of the type introduced by Hawking and Turok (hep-th/9802030) lead to unacceptable physical consequences and cannot, therefore, be used to describe the creation of open universes.

discussion (0)

Forward citations

Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

Inflation, Open Universes, and Dark Energy
astro-ph.CO 2026-07 conditional novelty 5.0

A slightly open universe with Ω_k ≈ 3×10^{-3} pulls n_s down to ~0.969, reconciling plateau inflation models with combined CMB and DESI data.