astronomy instrumentation 1exoplanet biosignatures 1habitable worlds observatory 1high-contrast imaging 1ultraviolet spectroscopy 1
From the 1 of 33 papers with an AI index.
2 citations
- Center for Astrophysics Harvard & SmithsonianUS4 papers
- FZU ‒ Institute of Physics of the Academy of Sciences of the Czech RepublicCZ3 papers
- New Mexico State UniversityUS3 papers
- Agenzia Spaziale ItalianaIT2 papers
- Brno University of TechnologyCZ2 papers
- Central European Institute of TechnologyCZ2 papers
- Centre National de la Recherche ScientifiqueFR2 papers
- Český metrologický institutCZ2 papers
- Charles UniversityCZ2 papers
- Czech Academy of Sciences, Astronomical InstituteCZ2 papers
- European Southern ObservatoryCL2 papers
- Fondazione Bruno KesslerIT2 papers
Showing gr-qcShow all
2 papers · 1 filter
gr-qc2026
A Breathing Universe is Consistent
Samuel Blitz
We consider a toy FRW universe with the exotic topology . We show that for a specific choice of quantum field content, the semi-classical Friedman equations are con…
gr-qc2026★ 2 cited
Unique Carrollian manifolds emerging from Einstein spacetimes
S. Blitz, D. McNutt, P. Nurowski
We explicitly determine all shear-free null hypersurfaces embedded in an Einstein spacetime, including vacuum asymptotically flat spacetimes. We characterize these hypersurfaces as…