Author

Astronomy

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Preprint Oct 2026

Gauge Field Fluctuations Protect the Higgs Vacuum When a Small Universe Begins

The Standard Model Higgs quartic coupling $\lambda$ turns negative at high energies. We show that in a small periodic box with antiperiodic fermions, zero-point fluctuations of the constant gauge modes turn the Higgs zero mode into a resonance for $\lambda<0$, whose width falls exponentially in $|\lambda|^{-1/2}$. A bo...

Alan R. Duffy School Of Physics, Astronomy, Mcmaster University et al. · 1 citation · ⚡1

Preprint Oct 2026

The mass discrepancy problem in massive stars: an inferential perspective

Bayesian inference has become a standard tool for inferring stellar parameters from stellar evolution models. However, comparatively little attention has been paid to how alternative Bayesian likelihood formulations influence inferred stellar parameters, and the resulting evolutionary mass discrepancy for massive main...

C. I. Eze, G. Handler, M. Vanrespaille et al. · 0 citations

Preprint Sep 2026

High-Temperature ferromagnetism from site-selective filling in (Fe,Ni)$_{6-\delta}$GeTe$_2$

The discovery of high-temperature ferromagnetism in the metallic van der Waals (vdW) system Fe$_N$GeTe$_2$ has brought two-dimensional (2D) magnets into technologically relevant temperature scales. Specifically at N = 5, dilution of magnetic moments by nickel substitution counterintuitively achieves a record high Curie...

T. Werner, Jonathan T. Reichanadter, Xiang Chen et al. · 0 citations