Shape-Resonance in Spectral density, Scattering Cross-section, Time delay and Bound on Sojourn time

This paper revisits the Friedrichs model to derive precise asymptotic results, including the Breit-Wigner formula and spectral concentration, for resonances near embedded eigenvalues, while also establishing exact properties for sojourn time, scattering amplitude, and time delay in the context of rank-one perturbations of the Laplacian.

Hemant Bansal, Alok Maharana, Lingaraj Sahu, Kalyan B. SinhaMon, 09 Ma🔢 math

BPS and semi-BPS kink families in two-component scalar field theories with fourth-degree polynomial potentials

This paper systematically investigates kink solutions in two-component scalar field theories with quartic potentials using the Bogomolny formalism, demonstrating that generalized superpotentials yield new models featuring continuous families of composite kinks with nontrivial internal structures.

A. Alonso-Izquierdo, M. A. González León, A. González-Parra, J. Martín-VaqueroMon, 09 Ma🔢 math

Gaussian free field convergence of the six-vertex model with 1Δ12-1\leq\Delta\leq-\frac12

The paper proves that the height function of the six-vertex model on Z2\mathbb{Z}^2 with spectral parameter Δ[1,1/2]\Delta \in [-1, -1/2] converges to a full-plane Gaussian free field in the scaling limit, a result that extends to anisotropic weights via a suitable lattice embedding.

Hugo Duminil-Copin, Karol Kajetan Kozlowski, Piet Lammers, Ioan ManolescuMon, 09 Ma🔢 math

Spinor moving frame, type II superparticle quantization, hidden SU(8)SU(8) symmetry of linearized 10D supergravity, and superamplitudes

This paper utilizes a covariant spinor moving frame quantization of type IIA and IIB superparticles to reveal a hidden SU(8)SU(8) symmetry in linearized supergravity, demonstrating that both theories can be described by identical analytic on-shell superfields and superamplitudes while highlighting specific challenges in extending this formalism to include D0-branes.

Igor Bandos, Mirian TsulaiaMon, 09 Ma🔢 math

A class of d-dimensional directed polymers in a Gaussian environment

This paper introduces and analyzes a broad class of continuous directed polymers in Rd\mathbb{R}^d driven by Gaussian environments, establishing their structural properties, proving a sharp measure-theoretic dichotomy regarding their relation to Wiener measure, and demonstrating diffusive behavior in high dimensions and high temperatures, thereby extending the Alberts--Khanin--Quastel framework to higher-dimensional settings.

Le Chen, Cheng Ouyang, Samy Tindel, Panqiu XiaMon, 09 Ma🔢 math

Peeling of Dirac fields on Kerr spacetimes

This paper extends the study of peeling properties for scalar fields to Dirac fields on Kerr spacetimes by combining Penrose conformal compactification with geometric energy estimates to define peeling via Sobolev regularity near null infinity and establish optimal initial data spaces, confirming that decay and regularity assumptions in Kerr yield the same regularity across null infinity as in Minkowski space for all angular momentum values.

Pham Truong XuanFri, 13 Ma🔢 math-ph

Can Theoretical Physics Research Benefit from Language Agents?

This paper argues that while current Large Language Models lack the necessary physical intuition and verification capabilities for theoretical physics research, the development of specialized AI agents trained on physics-specific reasoning patterns and equipped with domain-aware tools is essential for enabling reliable, autonomous scientific discovery.

Sirui Lu, Zhijing Jin, Terry Jingchen Zhang, Pavel Kos, J. Ignacio Cirac, Bernhard SchölkopfFri, 13 Ma🔢 math-ph