Higher descent equations based on 2-term L∞ algebrasIn this paper, we develop the higher descent equations for higher gauge theories within the framework of 2-term L∞ algebras. Starting from a multilinear symmetric invariant polynomial, we…Mengyao Wu, Danhua Song, Jie Yang·Mar 29, 2026SaveLearn
Universality in Relativistic Spinning Particle ModelsWe establish an equivalence between massive spinning particle models in four spacetime dimensions coupled to electromagnetism or gravity, within the spin-magnitude-preserving sector. Four…Joon-Hwi Kim, Sangmin Lee·Mar 28, 2026SaveLearn
N=4 single-minus superamplitudes and dual superconformal symmetryWe construct the N=4 supersymmetric completion of the recently proposed single-minus gluon amplitudes in (2,2) signature, which are nonvanishing for all multiplicities on a…Andreas Brandhuber, Paolo Pichini, Gabriele Travaglini et al.·Mar 27, 2026SaveLearn
Implication of dressed form of relational observable on von Neumann algebraIn quantum gravity, a physically meaningful operator is required to be invariant under the diffeomorphisms. Such gauge invariant operator is typically given by the relational observable, the operator…Min-Seok Seo·Mar 27, 2026SaveLearn
The connection between a classical vibrating drumhead and the masses of glueballsThe powerful techniques of holographic quantum chromodynamics (QCD) can be employed in the investigation of glueballs -- composite particles made solely of gluons, the strong nuclear force mediators.…Thales Azevedo, Henrique Boschi-Filho·Mar 27, 2026SaveLearn
High energy scattering and null stringsWe propose an instrinsic worldsheet description of the ultra-high energy regime of string scattering based on worldsheet symmetries. At very high energies, the fundamental string becomes tensionless…Arjun Bagchi, Sachin Grover, Sharang Rajesh Iyer et al.·Mar 27, 2026SaveLearn
One-loop Amplitudes: String Methods, Infrared Regularization, and AutomationWe calculate field theory loop amplitudes by string methods, applied to half-maximal 4-point one-loop graviton amplitudes. Infrared divergences are regulated similarly to soft-collinear effective…Marcus Berg, Michael Haack, Yonatan Zimmerman·Mar 27, 2026SaveLearn
Structure Constants from Q-Systems and Separation of VariablesWe introduce a novel method to compute structure constants from Q-functions in the scalar sector of planar N=4 super Yang-Mills (SYM) and related theories. The method derives from operatorial as well…Till Bargheer, Carlos Bercini, Gabriel Lefundes et al.·Mar 27, 2026SaveLearn
T-dualities and scale-separated AdS3 in massless IIA on (X6 × S1)/Z2Motivated by the question of whether scale-separated AdS3 flux vacua arising from G2 compactifications admit an uplift to eleven-dimensional supergravity, we construct scale-separated AdS3…George Tringas·Mar 27, 2026SaveLearn
Electromagnetic radiation mediated by topological surface statesWe study electromagnetic radiation from classical sources near a planar interface separating a topological and a trivial insulator, modeled within axion electrodynamics. The system features a…M. Ibarra-Meneses, A. Martín-Ruiz·Mar 27, 2026SaveLearn
EVERY CFT3 HAS AN LΛw1+∞ SYMMETRYRecently a one-parameter family of deformed L w1+∞ soft symmetry algebras, denoted LΛw1+∞, acting on tree-level gravitational theories in AdS4 has been…Andrew Strominger, Hongji Wei·Mar 27, 2026SaveLearn
A Resonance in Elastic Kink-Meson ScatteringWe analytically sum the leading bubble diagrams that contribute to the elastic scattering amplitude of a kink and a meson in the ϕ4 double-well model. We find a single peak, corresponding to the…Bilguun Bayarsaikhan, Jarah Evslin·Mar 27, 2026SaveLearn
Quantum Channel Capacity of Traversable WormholeWe formulate the Gao-Jafferis-Wall traversable wormhole protocol as a quantum channel and compute its quantum channel capacity. We show that this capacity is governed by the time derivative of an…Jingru Lu, Zhenbin Yang, Jianming Zheng·Mar 27, 2026SaveLearn
Dark energy from string theory: an introductory reviewDark energy, the main constituent in our expanding universe, responsible for its acceleration, is currently being observed with unprecedented precision through various experiments. While several…David Andriot·Mar 26, 2026SaveLearn
Hořava-Witten theory on S1S1 as type 0 orientifoldWe investigate dualities between Z2 quotients of recently proposed compactifications of M-theory on `quantum geometries' of the form S1S1 and 10d…Chiara Altavista, Edoardo Anastasi, Salvatore Raucci et al.·Mar 26, 2026SaveLearn
Perturbative unitarity of fractional field theories and gravityMotivated by quantum gravity on spacetimes with multi-scale geometry, we analyze quantum field theories with a self-adjoint fractional power (2)γ/2 of the d'Alembertian in the kinetic…Gianluca Calcagni, Fabio Briscese·Mar 26, 2026SaveLearn
Dual gravities from entanglement entropyApplying a rule-based holographic method, we investigate the reconstruction of dual gravity theories from the quantum field theory (QFT) data, specifically entanglement entropy. We first derive a…Jaehyeok Huh, Chanyong Park·Mar 26, 2026SaveLearn
The identification between the bulk and boundary conserved quantitiesBy using Wald formalism, we show that the identification between the bulk and boundary conserved quantities induced by the perturbation of generic non-electromagnetic matter field holds not only on…Gerui Chen, Zien Gao, Xin Lan et al.·Mar 26, 2026SaveLearn
Efficient computation of the N-th rank QED polarization tensor: Universal worldline structure of form factorsWe derived in arXiv:2206.04188 arXiv:2211.15712 a compact expression for the N-th rank QED polarization tensor Πμ1·s μN(k1,·s,kN) in a (0+1)-dimensional worldline framework. This…Xabier Feal, Andrey Tarasov, Raju Venugopalan·Mar 26, 2026SaveLearn
Negative energies and the breakdown of bulk geometryOne central question in quantum gravity is to understand how and why predictions from semiclassical gravity can break down in regimes with low spacetime curvature. One diagnostic of such a breakdown…John Preskill, Mykhaylo Usatyuk, Shreya Vardhan·Mar 26, 2026SaveLearn
A Graphical Coaction for FRW Wavefunction CoefficientsWe show that the wavefunction of the universe in theories of conformally coupled scalars in power-law Friedmann-Robertson-Walker (FRW) cosmologies satisfies a graphical coaction, by means of which we…Andrew McLeod, Andrzej Pokraka, Lecheng Ren·Mar 26, 2026SaveLearn
Notes on Diagrammatic Coaction for Cosmological Wavefunction Coefficients: A Two-Site PreludeWe study the coaction of cosmological wavefunction coefficients of conformally coupled scalars in FRW background of a two-site example, which turns out to have an elegant diagrammatic interpretation.…Yuhan Fu, Jiahao Liu·Mar 26, 2026SaveLearn
Interior of Schwarzschild in semiclassical gravityIn Einstein gravity, matter with an arbitrarily small density can be a black hole. Pressure in the star diverges if size of the star is smaller than 9/8 of the Schwarzschild radius, implying the…Yoshinori Matsuo·Mar 26, 2026SaveLearn
When identical particles cease to be indistinguishable: violation of statistics in quantum spacetimeQuantum gravity may modify the fundamental symmetries that govern identical particles. In particular, noncommutative spacetime frameworks predict deformations of Bose and Fermi statistics. Here we…Nicola Bortolotti, Catalina Curceanu, Antonino Marciano et al.·Mar 26, 2026SaveLearn
What happens to wavepackets of fermions when scattered by the Maldacena-Ludwig wall?We study wavepackets of exotic excitations after two-dimensional fermions are scattered by the boundary condition constructed by Maldacena and Ludwig, which turns elementary excitations into exotic…Yuji Tachikawa, Keita Tsuji, Masataka Watanabe·Mar 26, 2026SaveLearn