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hep-th2026

A T-Fold Black Hole in Doubled Type IIB

Mir Faizal, Arshid Shabir

We construct an asymptotically flat T-fold representative of a four-dimensional dyonic black-hole charge orbit in doubled type-IIB theory. Starting from the F1-P-NS5-KKM toroidal s…

hep-th2026

Residual Symmetries and Their Algebras in the Kerr-Schild Double Copy

B. P. Holton

The Kerr-Schild double copy (KSDC) is well-known for relating exact classical solutions between Yang-Mills theory and theories of gravity. However, whether this correspondence prov…

hep-th2026★ 1 cited

Undecidability in Spacetime Geometry via the AdS/CFT Correspondence

Sameer Ahmad Mir, Francesco Marino, Arshid Shabir +2

Undecidability, a hallmark of Gödel incompleteness theorems, has recently emerged in quantum many-body physics through the spectral gap problem. We demonstrate how this logical lim…

hep-th2025

Integrable models from 4d holomorphic BF theory

Lewis T. Cole, Ben Hoare

We show how to construct 2d field theories with holomorphic integrability from defect setups in 4d holomorphic BF. In a simple example setup, we explicitly construct the 2d theory…

hep-th2025

Platonic solutions of the discrete Nahm equation

Paul Sutcliffe

The discrete Nahm equation is an integrable nonlinear difference equation for complex matrices defined on a one-dimensional lattice, with rank and symmetry boundary con…

hep-th2025

Quantum-group-invariant models: Bethe ansatz and finite-size spectrum

Holger Frahm, Sascha Gehrmann, Rafael I. Nepomechie +1

We consider the quantum integrable spin chain models associated with the Jimbo R-matrix based on the quantum affine algebra , subject to quantum-group-invariant boun…

hep-th2025★ 4 cited

Purely GHZ-like entanglement is forbidden in holography

Vijay Balasubramanian, Monica Jinwoo Kang, Charlie Cummings +2

We provide evidence that three-party entanglement signals in holography obey a relation that is not satisfied by generalized Greenberger-Horne-Zeilinger (GHZ) states. Using propose…

hep-th2025

dualities of boundary conditions in Abelian M2-brane SCFTs

Tadashi Okazaki, Douglas J. Smith

We propose dualities of supersymmetric boundary conditions in the three-dimensional supersymmetric field theories describing a semi-infinite M2-brane terminating…

hep-th2025★ 1 cited

Hyperbolic monopole data

Paul Sutcliffe

It is known that hyperbolic monopoles, with a particular value of the curvature, can be obtained from ADHM instanton data that satisfies additional constraints. Here this data is r…

hep-th2025

A Novel Construction of de Sitter Vacua in Heterotic String Theory

Mir Faizal, Arshid Shabir

We present a concrete string-theoretic mechanism that generates four-dimensional de Sitter vacua from non-geometric R-flux compactifications of heterotic string theory. The constru…

hep-th2025★ 6 cited

Quantum censors: backreaction builds horizons

Antonia M. Frassino, Robie A. Hennigar, Juan F. Pedraza +1

Cosmic censorship posits spacetime singularities remain concealed behind event horizons, preserving the determinism of General Relativity. While quantum gravity is expected to reso…

hep-th2025

Wilson lines with endpoints in 3d CFT

Nabil Iqbal, Navonil Neogi

In Abelian gauge theories with dynamical matter, Wilson lines can end on the insertions of charged fields. We study the endpoints of Wilson lines in large bosonic QED. at i…

hep-th2025

Modular Features of Superstring Scattering Amplitudes: Generalised Eisenstein Series and Theta Lifts

Daniele Dorigoni, Michael B. Green, Congkao Wen

In previous papers it has been shown that the coefficients of terms in the large- expansion of a certain integrated four-point correlator of superconformal primary operators in…

hep-th2024★ 8 cited

Testing the RG-flow with Hamiltonian Truncation

Olivier Delouche, Joan Elias Miro, James Ingoldby

Hamiltonian Truncation (HT) methods provide a powerful numerical approach for investigating strongly coupled QFTs. In this work, we develop HT techniques to analyse a specific Reno…

hep-th2024★ 13 cited

The type IIA Virasoro-Shapiro amplitude in AdS CP from ABJM theory

Shai M. Chester, Tobias Hansen, De-liang Zhong

We consider tree level scattering of gravitons in type IIA string theory on to all orders in , which is dual to the stress tensor correlator in $U(N…

hep-th2024★ 3 cited

Stückelberg path to pure de Sitter supergravity

Sukŗti Bansal, Silvia Nagy, Antonio Padilla +1

We advance the study of pure de Sitter supergravity by introducing a finite formulation of unimodular supergravity via the super-Stückelberg mechanism. Building on previous works,…

hep-th2024★ 1 cited

5d-4d Correspondence in Twisted M-theory on a Conifold

Meer Ashwinkumar, Mir Faizal, Arshid Shabir +2

We study twisted M-theory in a general conifold background, and describe it in terms of a 5d non-commutative Chern-Simons-matter theory, which is equivalent to 5d non-commutative C…

hep-th2024★ 6 cited

An Introduction to the Weak Gravity Conjecture

Tom Rudelius

The Weak Gravity Conjecture holds that gravity must be the weakest force. This is true of the familiar forces in our own universe -- electromagnetism, for instance, is many orders…

hep-th2024

JNR Skyrmions

Paul Sutcliffe

The JNR ansatz provides a simple formula to obtain families of charge N self-dual SU(2) Yang-Mills instantons in four-dimensional Euclidean space, from the free data of N+1 distinc…

hep-th2024★ 1 cited

Chern-Simons theories with defects, Rogers-Ramanujan type functions and eta-products

Tadashi Okazaki, Douglas J. Smith

We study the line defect half-indices of 3d supersymmetric Chern-Simons (CS) theories with (special)unitary, symplectic, orthogonal and exceptional gauge groups. We…

hep-th2024★ 14 cited

Dissecting polytopes: Landau singularities and asymptotic expansions in scattering

Einan Gardi, Franz Herzog, Stephen Jones +1

Parametric representations of Feynman integrals have a key property: many, frequently all, of the Landau singularities appear as endpoint divergences. This leads to a geometric int…

hep-th2024★ 6 cited

Gauging The Diamond: Integrable Coset Models from Twistor Space

Lewis T. Cole, Ryan A. Cullinan, Ben Hoare +2

Recent work has shown that certain integrable and conformal field theories in two dimensions can be given a higher-dimensional origin from holomorphic Chern-Simons in six dimension…

hep-th2024★ 3 cited

WZW terms without anomalies: generalised symmetries in chiral Lagrangians

Joe Davighi, Nakarin Lohitsiri

We consider a 4d non-linear sigma model on the coset $(\mathrm{SU}(N)_L \times \mathrm{SU}(N)_R \times \mathrm{SU}(2))/(\mathrm{SU}(N)_{L+R}\times \mathrm{U}(1))\cong \mathrm{SU}(N…

hep-th2024★ 5 cited

Soft Limits of Gluon and Graviton Correlators in Anti-de Sitter Space

Chandramouli Chowdhury, Arthur Lipstein, Jiajie Mei +1

We derive formulae for the soft limit of tree-level gluon and graviton correlators in Anti-de Sitter space, which arise from Feynman diagrams encoding the Weinberg soft theorems in…