Hep-Th, or high-energy theoretical physics, explores the fundamental building blocks of our universe and the forces that govern them. Researchers in this field use complex mathematics to understand everything from subatomic particles to the behavior of black holes, often pushing the boundaries of what we know about space and time.

At Gist.Science, we monitor the arXiv repository to ensure you stay ahead of the curve in this rapidly evolving discipline. For every new preprint uploaded to arXiv under this category, our team generates both accessible plain-language overviews and detailed technical summaries, making cutting-edge research understandable regardless of your background.

Below are the latest papers in high-energy theoretical physics, curated to help you navigate the most significant recent discoveries.

⚛️ high-energy theory

Orthosymplectic Quivers: Indices, Hilbert Series, and Generalised Symmetries

This paper investigates generalised global symmetries in 3d N=4\mathcal{N}=4 orthosymplectic quiver gauge theories by identifying a D8D_8 categorical symmetry web and introducing an improved prescription for computing Coulomb branch Hilbert series that incorporates discrete symmetry fugacities and background magnetic fluxes to ensure consistency across various global forms and mirror dualities.

William Harding, Noppadol Mekareeya, Zhenghao Zhong2026-03-25
⚛️ nuclear experiments

Challenging Spontaneous Quantum Collapse with XENONnT

Using low-energy electronic recoil data from the first science run of the XENONnT detector and a novel model accounting for charge cancellation effects, researchers established world-leading constraints on spontaneous quantum collapse models that exclude the original parameters of the Continuous Spontaneous Localization theory for the first time.

E. Aprile, J. Aalbers, K. Abe, S. Ahmed Maouloud, L. Althueser, B. Andrieu, E. Angelino, D. Antón Martin, S. R. Armbrust (…)2026-03-25
⚛️ high-energy theory

On Supersymmetric D-brane probes in 4d N=2\mathcal{N}=2 AdS2×S2\text{AdS}_2\times\mathbf{S}^2 Attractors

This paper extends the κ\kappa-symmetry analysis of supersymmetric D-brane probes in AdS2×S2\mathrm{AdS}_2 \times \mathbf{S}^2 attractors to include stationary, non-static worldlines with angular momentum, revealing new 12\frac{1}{2}-BPS configurations that saturate a generalized energy bound and enrich the spectrum of supersymmetric states relevant to black hole microstate counting and holography.

Alberto Castellano, Carmine Montella, Matteo Zatti2026-03-25
⚛️ high-energy theory

Interplay of Generalised Symmetries and Moduli Spaces in 3d N=5\mathcal{N}=5 SCFTs

This paper investigates the moduli spaces and generalized global symmetries of 3d N=5\mathcal{N}=5 superconformal field theories, extending the classification of moduli spaces to include Spin, O−^-, and Pin-type gauge groups via Z2\mathbb{Z}_2 central extensions, providing a systematic method for constructing symmetry groups under discrete gauging, and analyzing symmetry categories and anomalies across various ABJ theories and superalgebra variants.

Sebastiano Garavaglia, William Harding, Deshuo Liu, Noppadol Mekareeya2026-03-25