On the Uniqueness of Ghost-Free Multi-Gravity -- II: Constraining antisymmetrised multi spin-2 interactionsSo far, only a single theory of multiple spin-2 fields is known that features genuine multi-field interactions while remaining free of Boulware-Deser-type ghost instabilities. In this paper we show…Joakim Flinckman, S. F. Hassan·Apr 8, 2026SaveLearn
Super-Grassmannians for N=2 to 4 SCFT3: From AdS4 Correlators to N=4 SYM scattering AmplitudesWe construct a Super-Grassmannian for n-point functions in N=2 to 4 SCFT3. The constraints imposed by super-conformal invariance and R-symmetry are completely manifest in this…Aswini Bala, Sachin Jain, Dhruva K. S. et al.·Apr 8, 2026SaveLearn
Resurgence of high-energy string amplitudesWe analyze the fixed-angle high-energy (α' ∞) structure of n-point tree-level string amplitudes from complementary perspectives: locally via saddle-point expansions, algebraically…Xavier Kervyn, Stephan Stieberger·Apr 8, 2026SaveLearn
A Duality Web for Non-Supersymmetric StringsMotivated by the recently proposed geometric descriptions of 0A and 0B in M-theory and F-theory, we propose a web of duality among non-supersymmetric strings. In particular we argue that the distinct…Zihni Kaan Baykara, Matilda Delgado, Emilian Dudas et al.·Apr 8, 2026SaveLearn
Can Locality, Unitarity, and Hidden Zeros Completely Determine Tree-Level Amplitudes?In this note, we address the question of whether locality, unitarity, and newly discovered hidden zeros can completely determine tree-level amplitudes, from the perspective of soft limit. We…Kang Zhou·Apr 8, 2026SaveLearn
Massive modes on magnetized blow-up manifold of T2/ZNWe study massive modes on a magnetized blow-up manifold of T2/ZN. The blow-up manifold can be constructed by appropriately replacing orbifold singular points with a part of S2. To…Tatsuo Kobayashi, Hajime Otsuka, Hikaru Uchida·Apr 8, 2026SaveLearn
Complete Topological Quantization of Higher Gauge FieldsAfter global completion of higher gauge fields (as appearing in higher-dimensional supergravity) by proper flux quantization in extraordinary nonabelian cohomology, the (non-perturbative,…Hisham Sati, Urs Schreiber·Apr 8, 2026SaveLearn
Fermionic extensions of W-algebras via 3d N=4 gauge theories with a boundaryWe study properties of vertex (operator) algebras associated with 3d H-twisted N=4 supersymmetric gauge theories with a boundary. The vertex operator algebras (VOAs) are defined by BRST…Yutaka Yoshida·Apr 8, 2026SaveLearn
Indices of M5 and M2 branes at finite N from equivariant volumes, and a new dualityWe study supersymmetric indices of the 6d (2,0) theory of N M5-branes on toric Sasaki-Einstein five-manifolds. Embedding the background into a local toric Calabi-Yau four-fold and equivariantly…Kiril Hristov·Apr 7, 2026SaveLearn
Comments on Symmetry Operators, Asymptotic Charges and Soft TheoremsWe study the relation between emergent 1-form symmetries and soft photon theorems in QED. We show that in the relevant massive and massless kinematic regimes, described respectively by HQET and SCET,…Luigi Tizzano·Apr 7, 2026SaveLearn
Probing fuzzballs and beyond: Model-independent tests of Kerr symmetry breaking with LISAGravitational waves provide a unique probe of the strong-field regime of gravity, offering access to physics beyond the classical black hole paradigm. We explore how space-based observations of…Pablo F. Muguruza, Carlos F. Sopuerta·Apr 7, 2026SaveLearn
Holographic entanglement entropy, Wilson loops, and neural networksWe apply artificial neural networks to the holographic inverse problem, reconstructing bulk geometry from boundary entanglement entropy by using the Ryu--Takayanagi area functional as a…Veselin G. Filev·Apr 7, 2026SaveLearn
Geodesics from Quantum Field Theory: A Case Study in AdSLocalized one-particle states of a quantum field theory--whether in flat space or on a curved background--are expected to exhibit geodesic motion in an appropriate semiclassical regime. This…Vaibhav Burman, Chethan Krishnan, Livesh Parajuli·Apr 7, 2026SaveLearn
Exact WKB analysis of inverted triple-well: resonance, PT-symmetry breaking, and resurgenceWe study non-Hermitian quantum mechanics of an inverted triple-well potential within the exact WKB framework. For a single classical potential, different Siegert boundary conditions define three…Syo Kamata, Tatsuhiro Misumi, Cihan Pazarbaşı et al.·Apr 7, 2026SaveLearn
Lattice chiral symmetry from bosons in 3+1dWe present a solvable Hamiltonian that realizes an exact lattice chiral U(1)V × U(1)A symmetry. Nielsen-Ninomiya-type no-go theorems are evaded by using lattice bosons rather than fermions.…Zhiyao Lu, Sahand Seifnashri, Shu-Heng Shao·Apr 7, 2026SaveLearn
Massive Exchange and the Sign of the Equilateral BispectrumWe study the inflationary bispectrum generated by the tree-level exchange of a massive hidden-sector scalar during inflation. When the interaction between the inflaton and the hidden sector arises…Diptimoy Ghosh, Suvashis Maity, Farman Ullah·Apr 7, 2026SaveLearn
ξRϕ2 non-minimal coupling, and the long range gravitational potential for different spin fields from 2-2 scattering amplitudesIn this paper we investigate the long range gravitational effect of curvature-scalar field non-minimal coupling, in the form of ξR ϕ2, in the perturbative quantum gravity framework. Such coupling…Avijit Sen Majumder, Ayan Kumar Naskar, Sourav Bhattacharya·Apr 7, 2026SaveLearn
The 't Hooft loop from a center-vortex wave functionalPreviously, we proposed an infrared vacuum wave functional for SU(N) Yang-Mills theory peaked at thin center vortices and showed that it yields an area law for the Wilson loop. In this work, we use…D. R. Junior, L. E. Oxman, H. Reinhardt·Apr 7, 2026SaveLearn
N=4 supersymmetric Yang-Mills thermodynamics to order λ5/2We calculate the resummed perturbative free energy of N = 4 supersymmetric Yang-Mills in four spacetime dimensions (SYM44) to order λ5/2 in the 't Hooft coupling at finite…Margaret E. Carrington, Gabor Kunstatter, Ubaid Tantary·Apr 7, 2026SaveLearn
Edge modes in Chern-Simons theory on a stripWe investigate abelian Chern-Simons gauge theory on a strip geometry with two spatial boundaries. In the presence of boundaries, gauge invariance is broken by boundary conditions, leading to physical…Erica Bertolini, Michael Doyle, Nicola Maggiore et al.·Apr 7, 2026SaveLearn
Probing the Factorized Island Branch with the Capacity of Entanglement in JT GravityBlack hole islands are usually diagnosed through the von Neumann entropy, but the full replica saddle contains more information than survives in the limit n 1. In this paper we show that the…Raúl Arias, Agustín Tamis·Apr 7, 2026SaveLearn
Monodromy-Matrix Description of Extremal Multi-centered Black HolesWe study solution-generating techniques based on the Breitenlohner--Maison linear system for extremal, stationary biaxisymmetric black hole solutions in five-dimensional U(1)3 supergravity.…Jun-ichi Sakamoto, Shinya Tomizawa·Apr 7, 2026SaveLearn
Causal Dynamical Triangulations: New Lattice Theory of Quantum GravityCausal Dynamical Triangulations (CDT) is a methodology to define and compute the gravitational path integral, whose aim is a fully fledged nonperturbative quantum field theory of gravity and…J. Ambjørn, R. Loll·Apr 7, 2026SaveLearn
Symmetry-resolved Krylov Complexity and the Uncoloured Tensor ModelThe symmetry-resolved Krylov complexity is a useful tool in studying chaotic properties of systems that are endowed with symmetries. We investigate the conditions under which an invariant operator…Shaliya Kotta, P N Bala Subramanian·Apr 7, 2026SaveLearn
Phase Transitions in Primary Hair Planar Black Holes and SolitonsWe present a new family of Ricci-flat black hole and soliton solutions with primary scalar hair in asymptotically anti-de Sitter (AdS) space in D dimensions. By solving the coupled Einstein-scalar…Som Abhisek Mohanty, Subhash Mahapatra·Apr 7, 2026SaveLearn