Clay weekly context brief for the High Energy Physics category (ISO week 2026-W36).

Clay tracks publications from the High Energy Physics feed list. Below are recent items from this category, each with its source and a short description of what the publication covers when one is available in the source feed.

Recent publications:
1. Cluster Representation of Renormalization Group Transformations and a Rigorous Proof for Convergence of the RG-Flow of the Ising Model to Trivial Fixed Points
   Source: hep-lat (High Energy Physics - Lattice)
   Link: https://arxiv.org/abs/2608.18862
   Many rigorous results in the modern era of statistical mechanics have been obtained through geometrical representations.
2. Testing $f(Q)$ Gravity with DESI DR2 and Strong-Lensing Time Delays
   Source: gr-qc (General Relativity and Quantum Cosmology)
   Link: https://arxiv.org/abs/2608.24676
   Symmetric teleparallel gravity provides an alternative description of gravitation in which non-metricity replaces curvature and torsion.
3. Tensor states $\Upsilon B_{c}^{\ast -}$ and $J/\psi B_{c}^{\ast +}$
   Source: hep-lat (High Energy Physics - Lattice)
   Link: https://arxiv.org/abs/2602.10075
   Tensor states $\mathcal{M}_{\mathrm{T}}^{\mathrm{b}}=\Upsilon B_{c}^{\ast -}$ and $\mathcal{M}_{\mathrm{T}}^{\mathrm{c}}=J/\psi B_{c}^{\ast +}$ are explored using techniques of QCD sum rule method.
4. Gravitational Waves from Green's Function Decomposition for a Kerr black hole: I. Equatorial ISCO Plunge
   Source: gr-qc (General Relativity and Quantum Cosmology)
   Link: https://arxiv.org/abs/2608.17943
   We present a decomposition of the Kerr Green's function in the time domain, motivated by the frequency-domain split previously studied in the Schwarzschild limit.
5. Tightening energy-based boson truncation bound using Monte Carlo-assisted methods
   Source: hep-lat (High Energy Physics - Lattice)
   Link: https://arxiv.org/abs/2604.24896
   Quantum simulation offers a promising framework for quantum field theory calculations.
6. Ostrogradsky's Theorem is Incompatible with Background Independence in Quantum Gravity
   Source: gr-qc (General Relativity and Quantum Cosmology)
   Link: https://arxiv.org/abs/2608.17364
   Ostrogradsky's theorem shows that higher-derivative dynamical systems inevitably yields a Hamiltonian featuring a ghost mode that is unbounded from below.
7. Revisiting the $U(1)$-$CP$ tension in QCD from a 1PI-action perspective
   Source: hep-lat (High Energy Physics - Lattice)
   Link: https://arxiv.org/abs/2608.28253
   We discuss the tension one encounters in trying to solve, simultaneously, the $U(1)$ and strong-$CP$ problems in QCD with light quarks and a small $\bar{\theta}$ angle within QCD itself.
8. Determination of the metric of a Schwarzschild black hole surrounded by a halo of dark matter
   Source: gr-qc (General Relativity and Quantum Cosmology)
   Link: https://arxiv.org/abs/2606.27482
   Following the landmark acquisition of the first image of a black hole, systems comprising a black hole enveloped by a dark matter halo have attracted considerable attention.
9. Magnetic Moments and Radiative Transitions of the $T_{cc}(3875)^+$ and its partner states
   Source: hep-lat (High Energy Physics - Lattice)
   Link: https://arxiv.org/abs/2608.27961
   We systematically investigate the magnetic moments (MMs) and radiative decay widths of S-wave doubly heavy tetraquark states based on chromomagnetic interaction (CMI).
10. Remarks on electrical Penrose process for magnetized Reissner-Nordstr\"om black hole
   Source: gr-qc (General Relativity and Quantum Cosmology)
   Link: https://arxiv.org/abs/2605.20492
   The energy extraction from a magnetized Reissner-Nordstr\"om black hole is analyzed within the framework of the electric Penrose mechanism.
11. Chern insulator boundary criticality
   Source: hep-lat (High Energy Physics - Lattice)
   Link: https://arxiv.org/abs/2608.18199
   We investigate signatures of chirality at Chern insulator transitions in the presence of a boundary.
12. Ringdown analysis of GW250114 with orthonormal modes
   Source: gr-qc (General Relativity and Quantum Cosmology)
   Link: https://arxiv.org/abs/2605.03576
   GW250114 is the loudest gravitational wave event to date observed by LIGO-Virgo-KAGRA Collaboration.
13. Renormalization-guided cascade upscaling for lattice field generation
   Source: hep-lat (High Energy Physics - Lattice)
   Link: https://arxiv.org/abs/2608.28581
   We introduce a renormalization-group (RG) guided machine-learning algorithm for lattice field generation based on approximate inversion of an RG transformation.
14. Noether charges and the first law of thermodynamics for multifractional Schwarzschild black hole in the q-derivative theory
   Source: gr-qc (General Relativity and Quantum Cosmology)
   Link: https://arxiv.org/abs/2605.03311
   In this paper, we investigate black-hole thermodynamics in the multi-fractional theory with $q$-derivatives, focusing on static, spherically symmetric vacuum solutions in the spherical-coordinate approximation.
15. Renormalization-guided inverse blocking for lattice field generation: construction and validation
   Source: hep-lat (High Energy Physics - Lattice)
   Link: https://arxiv.org/abs/2608.28580
   We propose an algorithm for generating lattice field configurations based on the approximate inversion of a renormalization-group blocking transformation.
16. Phase transition for a black hole with matter fields and the relation with the Lyapunov exponent
   Source: gr-qc (General Relativity and Quantum Cosmology)
   Link: https://arxiv.org/abs/2604.00753
   We construct static black hole solutions coexisting with anisotropic matter in asymptotically (anti-)de Sitter spacetime and investigate how the matter field modifies their thermodynamic and dynamical properties.
17. Optimized numerical evolution of perturbations across sharp background trajectory turns in multifield inflation
   Source: gr-qc (General Relativity and Quantum Cosmology)
   Link: https://arxiv.org/abs/2603.27080
   Features in the primordial power spectrum require numerical methods that are both accurate and scalable across the wide class of multifield inflationary models that produce them.

Sources in this brief: gr-qc (General Relativity and Quantum Cosmology); hep-lat (High Energy Physics - Lattice).
Selected 17 of 28 available items for this weekly brief.