Liberal Arts and Sciences
Ema Lab
Led by Yohei Ema · Physics
What we study
The lab studies particle physics and cosmology, focusing on topics like inflation, dark matter, and electric dipole moments. Researchers use theoretical physics and mathematical models to explore these phenomena.
What working here is like
- Reading, writing & theory
- No organisms (data only)
- Papers
- 5
Recent papers, explained
- Review on physics of Higgs-R 2 inflation
2026 · Reports on Progress in Physics
Reviews Higgs-R² inflation, a model that extends Higgs inflation to avoid unitarity issues during preheating.
- Dark matter catalyzed baryon destruction
2025 · Physical review. D/Physical review. D.
Analyzes how dark matter breaking baryon number could cause excess heat in neutron stars and sets limits on such processes.
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- Spontaneous magnetogenesis at the electroweak phase transition
2025 · Journal of Cosmology and Astroparticle Physics
Shows how an axion-like particle with velocity can generate magnetic fields and a small baryon asymmetry during the electroweak phase transition.
- Momentum shift and on-shell constructible massive amplitudes
2024 · Physical review. D/Physical review. D.
Develops a method to calculate tree-level amplitudes for massive particles using momentum shifts, avoiding ambiguities in contact terms.
- Cutting rule for in-in correlators and cosmological collider
2024 · Journal of High Energy Physics
Derives a cutting rule for cosmological correlators to study non-local signals from particle collisions in the early universe.
Plain-language summaries are AI-written and reviewed by us; check the paper for details.
How to reach out
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