#cosmology

topiccosmology

12 papers · 1 filter

astro-ph.HE2026

Binary neutron stars in the next-generation era: Multi-messenger detection prospects and constraints on the equation of state, mass distribution, and cosmology

Hauke Koehn, Thibeau Wouters, Gilad Sadeh +5

The paper forecasts how many binary neutron‑star mergers will be observed jointly in gravitational waves and electromagnetic light by next‑generation detectors like the Einstein Te…

hep-ph2026

The Dark Dimension meets the Axiverse

Kevin Langhoff, Maria Ramos, Mario Reig

The paper studies how combining dark dimension models with an axiverse affects early‑universe cosmology, showing that freeze‑in production of Kaluza‑Klein axion and graviton towers…

hep-ph2026

Outcomes of Grand Unified Symmetry Breaking

Harish Hemming, Tanmay Vachaspati, Anja Wachowitz

The paper numerically investigates symmetry breaking in Grand Unified models, showing that biased domain walls and magnetic monopoles form and interact, leading to phenomena such a…

hep-ph2026

micrOMEGAs 7: Beyond standard cosmology

G. Belanger, A. Belyaev, N. Bernal +4

micrOMEGAs 7 is an upgraded software package that computes dark‑matter observables while allowing user‑defined modifications to the early‑Universe expansion, entropy, and non‑therm…

astro-ph.GA2026

Gravitational Wave Astronomy With TianQin

En-Kun Li, Shuai Liu, Alejandro Torres-Orjuela +50

The paper outlines the scientific potential of the TianQin space‑based gravitational‑wave observatory, describing the types of compact‑object sources it can detect in the mHz band…

hep-th2026

Lectures on Open Systems and Cosmology

Enrico Pajer

These lecture notes introduce the operator formalism and Schwinger‑Keldysh path‑integral techniques for describing open systems, with a focus on their application to cosmology and…