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.

Dressed D-strings with Instability and Transverse Rotation: The Open String Pair Production

This paper investigates open string pair production on dressed D1-branes with electric, tachyonic, and rotational fields in a Kalb-Ramond background, revealing that while the combination of tachyonic fields and transverse rotation suppresses production, quenching the tachyon allows pair creation only under rational angular frequency relations, with compactification further enhancing the production rate.

Hamidreza Daniali, Davoud Kamani2026-06-11⚛️ hep-th

Energy correlators in four-dimensional gravity

This paper investigates infrared-finite energy correlators in four-dimensional gravity by computing one- and two-loop corrections in N=8\mathcal{N}=8 supergravity and Einstein gravity, demonstrating infrared divergence cancellation, deriving universal soft-graviton dynamics in the back-to-back limit, and exploring dispersion relations and unique gravitational singularities.

Dmitry Chicherin, Gregory P. Korchemsky, Emery Sokatchev, Alexander Zhiboedov2026-06-11⚛️ gr-qc

On phase-space singular surfaces in f(R)f(R) gravity

This paper analyzes the Hamiltonian constraints of metric f(R)f(R) gravity to demonstrate that phase-space singularities at f(R)=0f'(R)=0 and f(R)=0f''(R)=0 lead to distinct perturbative degeneracies, specifically causing an empty linearized spectrum for backgrounds residing entirely on these surfaces while requiring a regularity condition rather than a standard constraint for trajectories that dynamically cross them.

Dražen Glavan, David M. J. Vokrouhlický2026-06-11⚛️ gr-qc

Evidence for New DsD_s-Family Molecular States

This paper employs the Gaussian expansion method with meson-exchange potentials to propose that the observed Ds1(2700)D_{s1}(2700), Ds1(2860)D_{s1}(2860), and Ds3(2860)D_{s3}(2860) resonances are KD()K^{*}D^{(*)} molecular states, thereby offering a new interpretation of the charmed-strange spectrum and a benchmark for studying heavy-quark flavor symmetry breaking.

Dan Jiang, Yin Huang, JiongJiong Zhao2026-06-11⚛️ hep-ph