Fractional Cosmic String Loops In Expanding UniverseWe study the dynamics of circular cosmic string loops in a spatially flat Friedmann Lemaître Robertson Walker universe within a fractional Polyakov framework that incorporates nonlocal memory…Pankaj Chaturvedi, Bikram Nath·Apr 29, 2026SaveLearn
Monodromy, Logarithmic Sectors, and Two-Point Functions in Critical Topologically Massive GravityWe investigate the structure of logarithmic modes in critical topologically massive gravity (CTMG) at the chiral point μ=1 from the perspective of analytic continuation and monodromy. Starting…Yannick Mvondo-She·Apr 29, 2026SaveLearn
On the simplicity of de Sitter correlatorsMotivated by recent evidence that equal-time correlators can be simpler than the corresponding wavefunction coefficients, we study de Sitter correlators in conformally coupled ϕ3 theory directly.…Chandramouli Chowdhury, Song He, Yong-Xiang Su et al.·Apr 29, 2026SaveLearn
Quarter-indices for basic ortho-symplectic cornersWe study supersymmetric quarter-indices for corner configurations in 4d N=4 super Yang-Mills theory with orthogonal and symplectic gauge groups. For the basic Y-junctions, we obtain exact…Yasuyuki Hatsuda, Tadashi Okazaki·Apr 29, 2026SaveLearn
Functional Dimensional Regularization for O(N) ModelsThe novel functional dimensional regularization (FDR) scheme has proven capable of yielding results that are competitive with the state-of-the-art in the computation of critical exponents in d=3,…P. Beretta, A. Codello·Apr 29, 2026SaveLearn
Complex bumblebee modelWe formulate a renormalizable complex extension of the bumblebee theory in which the bumblebee field is promoted to a complex one and coupled to an Abelian gauge sector. Besides the minimal gauge…Willian Carvalho, A. C. Lehum, J. R. Nascimento et al.·Apr 29, 2026SaveLearn
Feynman Integral Reduction without Integration-By-PartsWe present an interesting study of Feynman integral reduction that does not employ integration-by-parts identities. Our approach proceeds by studying the equivalence relations of integral contours in…Ziwen Wang, Li Lin Yang·Apr 29, 2026SaveLearn
Euclidean volume fluctuations in de Sitter quantum gravityThe Euclidean formulation of quantum gravity can be interpreted in terms of a probability distribution over Riemannian manifolds. In the context of de Sitter gravity, the statistics of the total…David Blanco, Guillem Pérez-Nadal, Bruno Sivilotti·Apr 28, 2026SaveLearn
The Super Virasoro Minimal String from 3d SupergravityThe super Virasoro minimal string is defined by coupling spacelike and timelike super Liouville theories on the worldsheet. There are four different theories 0A and 0B depending on…Lorenz Eberhardt·Apr 28, 2026SaveLearn
de Sitter in String Theory vs. Gibbons & HawkingThis paper corroborates a statement that perturbative string theory does not admit a solution whose spacetime metric is de Sitter times a closed manifold, to all orders in the α' and gs…Yoav Zigdon·Apr 28, 2026SaveLearn
Graphical Functions by ExamplesGraphical functions have emerged as a powerful framework for evaluating multi-loop Feynman integrals in perturbative quantum field theory. Defined as massless three-point position-space integrals,…Mrigankamauli Chakraborty, Marco Klann, Sven-Olaf Moch et al.·Apr 28, 2026SaveLearn
Criticality of ISCOs and AdS/CFTWe study the trajectories of massive particles in spherically symmetric black holes in arbitrary dimensions, and find certain universal features based on the topological classification of the fixed…Chandrasekhar Bhamidipati, Parashar Chatterjee, Sudipta Mukherji et al.·Apr 28, 2026SaveLearn
A nonabelian Wilson surface on a latticeWe analyze the nonabelian surface holonomy on a bipartite hypercubic lattice following a proposal in arXiv:1002.4636 [hep-th]. The bipartite structure of the lattice enables us to introduce spike…Andreas Gustavsson·Apr 28, 2026SaveLearn
Holographic Naturalness and Pre-Geometric GravityThe cosmological constant (CC, Λ) problem represents a remarkable discrepancy of about 120 orders of magnitude between the observed dark energy and its natural expectation from quantum field…Andrea Addazi, Salvatore Capozziello, Giuseppe Meluccio·Apr 28, 2026SaveLearn
Quantum mechanical bootstrap without inequalities: SYK bilinear spectrumWe study a quantum mechanical system whose spectrum coincides with that of bilinear operators of the Sachdev-Ye-Kitaev model. The standard positivity-based quantum mechanical bootstrap is degenerate…Kok Hong Thong, David Vegh·Apr 28, 2026SaveLearn
Lattice Topological Defects in Non-Unitary Conformal Field TheoriesTopological defects play a fundamental role in the investigation of symmetries in quantum field theories. For conformal field theories in two space-time dimensions, it is possible to construct these…Madhav Sinha, Thiago Silva Tavares, Hubert Saleur et al.·Apr 28, 2026SaveLearn
On Quantum Obstructions in Type IIA OrientifoldsQuantum corrections can severely modify or even remove classical infinite distance limits in four-dimensional gravity theories with minimal N=1 supersymmetry. In this note we study this effect for…Lukas Kaufmann, Timo Weigand, Max Wiesner·Apr 28, 2026SaveLearn
Nonlocal-in-time tail effects in gravitational scattering to fifth Post-Minkowskian and tenth self-force ordersUsing the worldline effective field theory formalism, we derive the nonlocal-in-time conservative contributions arising from tail effects in gravitational scattering to fifth Post-Minkowskian (5PM)…Christoph Dlapa, Gregor Kälin, Zhengwen Liu et al.·Apr 28, 2026SaveLearn
Categorical Symmetries via Operator AlgebrasWe propose that the symmetry category associated to a 2D quantum field theory with 0-form G-symmetry with 't Hooft anomaly k∈ H4(BG,Z) for a large class of Lie groups G is the…Qiang Jia, Ran Luo, Jiahua Tian et al.·Apr 28, 2026SaveLearn
Candidate Gaugings of Categorical Continuous SymmetryDifferent gaugings of the global symmetry of a quantum field theory are closely related to its various phases. In this work, we study candidate gaugeable symmetries by analyzing candidate Lagrangian…Qiang Jia, Cheng Ma, Jiahua Tian·Apr 28, 2026SaveLearn
Kodaira-Spencer theory for flux backgroundsWe give an explicit description (in component fields) of a holomorphic theory associated to a general supersymmetric background of N=1 supergravity in ten dimensions. Conjecturally, this…Caleb Jonker, Julian Kupka, Ingmar Saberi et al.·Apr 28, 2026SaveLearn
Phase Transitions and Chaos Bound in Horava Lifshitz Black Holes using Lyapunov ExponentsWe probe the thermodynamic phase structure of four dimensional Horava Lifshitz black holes by Lyapunov exponent analysis. For both massless and massive test particles, the Lyapunov exponent exhibits…Mozib Bin Awal, Prabwal Phukon·Apr 28, 2026SaveLearn
Liouville Blocks from Spectral NetworksIn this paper, we investigate the role of spectral networks in quantum Liouville theory, with particular emphasis on spectral networks of Fenchel-Nielsen-type. In the first part, we construct…Lotte Hollands, Subrabalan Murugesan·Apr 28, 2026SaveLearn
Integrand Analysis, Leading Singularities and Canonical Bases beyond PolylogarithmsIn this paper, we elaborate on the connection between leading singularities and canonical bases of Feynman integrals beyond polylogarithms. We start by discussing a notion of leading singularities in…Felix Forner, Cesare Carlo Mella, Christoph Nega et al.·Apr 28, 2026SaveLearn
Simple Analytical Solutions of the Wheeler-DeWitt Equation in the Classical Hamilton-Jacobi LimitWe investigate the Wheeler-DeWitt equation for a flat, homogeneous, and isotropic Universe containing a canonical scalar field with a potential. We show that under the constraint |Ψ|=1, where the…Naoto Maki, Chia-Min Lin, Kazunori Kohri·Apr 28, 2026SaveLearn