hep-th

Quasi-Local Celestial Charges and Multipoles

This paper extends Penrose's quasi-local mass definition to include higher-spin celestial charges and multipoles in generic spacetimes by utilizing higher-valence twistor solutions, thereby establishing geometric definitions, flux-balance laws, and a phase-space derivation rooted in self-dual gravity.

A Core Representation Theorem for Scheme-Invariant Collinear Factorization in QCD

This paper establishes a categorical "Core Representation Theorem" that formalizes the scheme-redundancy in QCD collinear factorization by modeling coefficients and correlators as modules over an interface algebra, thereby identifying the universal scheme-invariant physical observable as the relative tensor product of these components.

Four-loop Anomalous Dimensions of Scalar-QED Theory from Operator Product Expansion

This paper extends the Operator Product Expansion (OPE) algorithm to scalar-QED theory by computing the four-loop anomalous dimension of the fixed-charge operator $\phi^Q$, along with beta functions and other anomalous dimensions, while introducing a novel loop-integrand construction method to validate the OPE approach for higher-loop renormalization beyond pure scalar theories.

Quasinormal Modes of pp-Wave Spacetimes and Zero Temperature Dissipation

This paper demonstrates that scalar perturbations on Kaigorodov pp-wave spacetimes exhibit zero-temperature dissipation through a discrete, gapped quasinormal mode spectrum, establishing that horizonless geometries can act as geometric absorbers without requiring an event horizon or entropy.

Reconstructing inflationary features on large scales using genetic algorithm

This paper employs a genetic algorithm to reconstruct single-field inflationary scenarios with localized features in the primordial power spectrum that significantly improve the fit to Planck 2018 CMB data and offer potential pathways to alleviate cosmological tensions.

Topologically equivalent yet radiatively distinct orbits in EMRI system

This paper demonstrates that in exotic compact object spacetimes like dyonic black holes, multiple coexisting branches of bound orbits can share identical topological indices yet produce radiatively distinct gravitational wave signatures, offering a novel observational probe for physics beyond general relativity.

Euler-Heisenberg actions in higher dimensions

This paper extends Schwinger's proper-time formalism to higher dimensions ($d=2n>4$) to derive closed-form expressions for the one-loop effective action in scalar and spinor QED, specifically providing the six-dimensional Euler-Heisenberg action and identifying a dimension-6 composite conformal primary field that governs the electromagnetic contribution to the Weyl anomaly.

Response theory for quantum fields in isolation

This paper reviews the formalism of response theory for isolated quantum fields with unitary time evolution, emphasizing the consequences of causality, time-reversal symmetry, and conservation laws on spectral representations, generating functionals, fluctuation-dissipation relations, and the statistics of work.

Self-dual classical higher-spin multicopy

$\kappa$-entropic statistical paradigm for relativistic corrections to the Heisenberg principle

This paper derives a relativistic extension of the Heisenberg uncertainty principle within the framework of $\kappa$-deformed Kaniadakis statistics to address the lack of a comprehensive description in the intermediate velocity regime, subsequently constraining the model's parameters using precision measurements of the fine-structure constant.