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

Comments on the Emergence of 4D Topological Amplitudes in M-Theory

This paper advances the M-theoretic Emergence Proposal by demonstrating that the regularization used to derive classical cubic terms from quantum effects in 4D N=2N=2 compactifications is equivalent in both complex structure and Kähler moduli spaces, and by extending this framework to account for linear terms in the one-loop prepotential F1F_1.

Manuel Artime, Ralph Blumenhagen, Aleksandar Gligovic, Panagiotis Leivadaros2026-03-20
⚛️ phenomenology

From N- to (p,N)- Inflationary Attractors in view of ACT

This paper reviews fractional Kaehler potentials that, when combined with chaotic inflationary potentials in a non-linear sigma model, establish a class of (p,N)(p,N)-inflationary attractors compatible with ACT DR6 data and potentially observable tensor-to-scalar ratios, while also demonstrating their realization within supergravity via shift-symmetric Kähler potentials and monomial superpotentials.

C. Pallis2026-03-20
⚛️ high-energy theory

The long freeze: an asymptotically static universe from holographic dark energy

This paper demonstrates that certain holographic dark energy models can lead to a "long freeze" scenario where the universe asymptotically approaches a static state with vanishing energy density, a behavior that can persist after an extended period of exponential expansion but is generally disrupted by the presence of nonrelativistic matter.

Samuel Blitz, Robert J. Scherrer, Oem Trivedi2026-03-19
⚛️ high-energy theory

Rips and regular future scenario with Holographic Dark Energy: A comprehensive look

This paper comprehensively analyzes late-time cosmic scenarios, particularly rips, within a holographic dark energy framework using both primitive and generalized Nojiri-Odintsov cutoffs, while evaluating the validity of thermodynamic laws and energy conditions to demonstrate that consistent alternatives to the Big Rip are unattainable with simpler cutoffs but possible with the generalized approach.

I. Brevik, Maxim Khlopov, S. D. Odintsov, Alexander V. Timoshkin, Oem Trivedi2026-03-19
⚛️ high-energy theory

Theta-term in Russian Doll Model: phase structure, quantum metric and BPS multifractality

This paper investigates the phase structure of the Russian Doll Model with a θ\theta-term, revealing a rich landscape of localized, ergodic, and multifractal phases in both deterministic and disordered regimes, while establishing a deep connection between the model's Bethe Ansatz equations and the BPS sector of N=2{\cal N}=2 SQCD vortex strings to suggest applications in dense QCD.

Alexander Gorsky, Ilya Liubimov2026-03-19