hep-th papers | Gist.Science

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.

🔢 mathematics

Quantum Knizhnik-Zamolodchikov Equations and Integrability of Quantum Field Theories with Time-dependent Interaction Strength

This paper demonstrates that a generalized Bethe ansatz framework reduces the time-dependent Schrödinger equation for quantum field theories with time-varying interaction strengths to quantum Knizhnik-Zamolodchikov (qKZ) equations, thereby establishing integrability conditions and providing explicit many-body wavefunctions, as illustrated by the exact solution of the $SU(2)$ Gross-Neveu model.

Parameshwar R. Pasnoori2026-08-11

⚛️ high-energy theory

Holographic Krylov complexity in confining gauge theories

This paper investigates holographic Krylov complexity in a confining Type IIB gauge theory by deriving exact analytic solutions for probe geodesics, revealing that the resulting oscillatory complexity serves as a holographic signature of finite Hilbert-space truncation and demonstrates qualitative differences from conformal dynamics.

Ali Fatemiabhari, Horatiu Nastase, Carlos Nunez, Dibakar Roychowdhury2026-08-11

⚛️ high-energy theory

Global phase diagram of two-dimensional dirty hyperbolic Dirac liquids

This study establishes a global phase diagram for two-dimensional dirty hyperbolic Dirac liquids, demonstrating that negative spatial curvature stabilizes massless Dirac excitations against weak disorder before driving the system through a continuous transition into a metallic state and finally into an Anderson insulator at strong disorder.

Christopher A. Leong, Daniel J. Salib, Bitan Roy2026-08-11

⚛️ phenomenology

Evolution of Generic Varying-Tension Cosmic Strings in Expanding Spacetimes

This paper extends the study of cosmic strings with time-dependent tensions from analytic to numerical models, demonstrating that their dynamics in an expanding universe are mathematically equivalent to fixed-tension strings in a modified spacetime, and utilizing solvers and machine learning to analyze the evolution of non-circular loops near the Hubble scale.

Hubert Lau Sze Chun, Joseph Conlon2026-08-11

⚛️ phenomenology

Impact of antiparticle degrees of freedom on neutrino flavor oscillations in frames of quantum field theory

This paper validates the approximation of using only particle contributions in quantum field theory calculations of neutrino flavor oscillations by rigorously justifying the decomposition of propagators in a vacuum setting, thereby supporting its application to oscillations in external fields.

Maxim Dvornikov2026-08-11

🔢 mathematics

Quantum Integrability of Hamiltonians with Time-Dependent Interaction Strengths and the Renormalization Group Flow

This paper demonstrates that for quantum Hamiltonians with time-dependent interaction strengths, the constraints required for integrability via the generalized Bethe ansatz and quantum Knizhnik-Zamolodchikov equations are identical to the renormalization group flow equations of their static counterparts, establishing a universal correspondence between integrability and RG flow in time-dependent systems.

Parameshwar R. Pasnoori2026-08-11

⚛️ high-energy theory

Flat space Fermionic Wave-function coefficients

This paper analyzes the analytic structure of tree-level flat-space fermionic wavefunction coefficients to derive cutting rules and establish an iterative reconstruction method from the S-matrix, demonstrating that the four-particle test imposes no additional constraints beyond S-matrix consistency.

Bo-Ting Chen, Wei-Ming Chen, Yu-tin Huang, Zi-Xun Huang, Yohan Liu2026-08-11

⚛️ high-energy theory

Non-singular Brane/Bubble Cosmologies in the Presence of String Cloud

This paper demonstrates that a four-dimensional brane or bubble universe embedded in a five-dimensional Anti-de Sitter bulk containing a string cloud can undergo a nonsingular cosmological bounce, with the shellworld scenario offering a stable solution outside the black hole horizon that avoids the Cauchy horizon instability found in the braneworld scenario.

Karma P. Sherpa, Rishi Pokhrel, Tanay K. Dey2026-08-11

🌀 nonlinear sciences

Generalized Integrable Boundary States in XXZ and XYZ Spin Chains

This paper generalizes the concept of integrable boundary states for XXZ and XYZ spin chains by constructing factorized states via the KT-relation that impose explicit selection rules on Bethe roots and enable the derivation of overlaps with Bethe states in U(1)-symmetric cases.

Xin Qian, Xin Zhang2026-08-11

⚛️ general relativity

A structural criterion for asymptotic states in Supersymmetry

This paper establishes a structural criterion distinguishing admissible field structures from realized asymptotic particle states by defining particlehood as an isolated spectral atom with non-zero weight, thereby demonstrating that any apparent fermion-scalar asymmetry within a supersymmetric multiplet necessitates supersymmetry breaking or dynamical differences.

Stefano Bellucci, Stefania De Matteo2026-08-11

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