Cancellation of UV divergences in ghost-free infinite derivative gravityWe consider the most general covariant gravity action up to terms that are quadratic in curvature. These can be endowed with generic form factors, which are functions of the d'Alembert operator.…Alexey S. Koshelev, Oleg Melichev, Leslaw Rachwal·Dec 19, 2025SaveLearn
Effective potentials, warping, and implications for F-term upliftingWe analyse warping corrections to the scalar potential in flux compactifications of Type IIB string theory, focusing on their effect on F-term de Sitter uplifting in Calabi-Yau orientifold models.…Arthur Hebecker, Severin Lüst, Andreas Schachner et al.·Dec 19, 2025SaveLearn
Helping observers in closed universes reach their full potentialRecent work by Engelhardt, Gesteau, and Harlow applies proposals for incorporating observers into holographic maps to study the Antonini-Rath puzzle for closed universes. In a new form of ``observer…Kenneth Higginbotham·Dec 19, 2025SaveLearn
Extra-Dimensional η-Invariants and Anomaly TheoriesAnomalies of a quantum field theory (QFT) constitute fundamental non-perturbatively robust data. In this paper we extract anomalies of 5D superconformal field theories (SCFTs) directly from the…Mirjam Cvetič, Ron Donagi, Jonathan J. Heckman et al.·Dec 19, 2025SaveLearn
Elastic Kink-Meson Scattering in the Φ4 Double-Well ModelWe calculate the leading order amplitude and probability for the elastic scattering of an elementary meson and a kink in the ϕ4 double-well model. Classically, the kink is reflectionless, and so…Kehinde Ogundipe, Bilguun Bayarsaikhan·Dec 19, 2025SaveLearn
Mapping moduli across heterotic conifoldsIn this work, we provide evidence for a duality between 4-dimensional Calabi-Yau compactifications of the heterotic string, in which the base manifolds are linked by a conifold transition. In recent…Lara B. Anderson, James Gray, Sunit A. Patil et al.·Dec 19, 2025SaveLearn
Self-sustained, out-of-equilibrium inflationWe use holography to study dS-invariant states of non-conformal, strongly coupled quantum field theories in four-dimensional de Sitter space. We show that out-of-equilibrium effects can sustain the…Jorge Casalderrey-Solana, Lucía Castells-Tiestos, Jéssica Gonçalves et al.·Dec 19, 2025SaveLearn
Auxiliary-Field Formalism for Higher-Derivative Boundary CFTsWe study the conformal field theory defined by the fourth-order operator on four-dimensional manifolds with boundaries, reformulating it through an auxiliary field so that the dynamics become second…Gregorio Paci, Sergey N. Solodukhin·Dec 19, 2025SaveLearn
Three-loop pentagonal Wilson loop with Lagrangian insertionEmploying a cutting-edge bootstrap method, we analytically compute the three-loop pentagonal Wilson loop with Lagrangian insertion in planar N=4 super-Yang-Mills theory. This object is…Dmitry Chicherin, Johannes Henn, Yongqun Xu et al.·Dec 19, 2025SaveLearn
Regge trajectories for UV completions of graviton scattering from polynomial boundednessWe study graviton scattering amplitudes. Assuming they are UV completed by a theory of weakly coupled massive higher spins, we demonstrate that the UV completion must possess infinitely many Regge…Christopher Eckner, Felipe Figueroa, Simon Metayer et al.·Dec 19, 2025SaveLearn
From Diamond Gaugings to DualisationsWe revisit the proposal that coupling two six-dimensional holomorphic Chern-Simons theories generates gaugings throughout the twistor-space diamond relating 6d hCS, 4d self-dual Yang-Mills, 4d…Dimitrios Chatzis, John M. Marley, Daniel C. Thompson·Dec 19, 2025SaveLearn
Quantum state of interacting primordial inhomogeneities: de-squeezing and decoherenceWe investigate how interactions affect the quantum state of scalar perturbations during inflation and the quantum correlations they may exhibit. Focusing on the case of scalar perturbations in…Amaury Micheli, Yuto Oshima, Tomo Takahashi·Dec 19, 2025SaveLearn
Continuum canonical purificationsWe construct and characterize canonical purifications for general algebraic states, extending prior constructions by Woronowicz and by Dutta/Faulkner to general quantum theories. Given a state on a…Jonathan Sorce·Dec 18, 2025SaveLearn
The Stretched Horizon LimitWe consider four-dimensional general relativity with a positive cosmological constant, Λ, in the presence of a boundary, Γ, of finite spatial size. The boundary is located near a cosmological…Dionysios Anninos, Damián A. Galante, Silvia Georgescu et al.·Dec 18, 2025SaveLearn
Effective potential in SO(N) symmetric scalar field theories in curved spacetimeWe derive recurrence relations for leading logarithmic all-loop quantum corrections in the case of SO(N) symmetric scalar theory with an arbitrary potential in curved spacetime. On this basis, a…V. A. Filippov, R. M. Iakhibbaev, D. M. Tolkachev·Dec 18, 2025SaveLearn
A supersymmetric AdS3 dualityWe find a dual description of the supersymmetric SL(2, C)/SU(2) WZW model as a super-winding condensate CFT, which follows simply from the bosonic AdS3 duality found in…Bhanu Narra·Dec 18, 2025SaveLearn
TASI Lectures on de Sitter VacuaThese lectures provide a self-contained introduction to flux compactifications of type IIB string theory on Calabi-Yau orientifolds. The first lecture begins with geometric foundations, then presents…Liam McAllister, Andreas Schachner·Dec 18, 2025SaveLearn
How gluon leading singularities discover curves on surfacesWe study the leading singularities for pure gluon amplitudes obtained by on-shell gluing of three-particle amplitudes for an arbitrary graph in any number of dimensions. By encoding the polarization…Sérgio Carrôlo, Carolina Figueiredo·Dec 18, 2025SaveLearn
Fighting non-locality with non-locality: microcausality and boundary conditions in QEDIn gauge theories, globally charged observables necessarily depend non-locally on the kinematical fields, with this dependence extending to the asymptotic boundary of spacetime. Despite this, we show…Philipp A. Hoehn, Josh Kirklin·Dec 18, 2025SaveLearn
Explicit finite-time illustration of improper unitary evolution for the Klein--Gordon field in de Sitter spaceIt is known that quantum field theories in curved spacetime suffer from a number of pathologies, including the inability to relate states on different spatial slices by proper unitary time-evolution…William T. Emond, Christian Käding, Peter Millington·Dec 18, 2025SaveLearn
Trace anomaly for a conformal 2D vector field modelThe trace anomaly and anomaly-induced action are evaluated for the two-dimensional 2D vector theory with classical conformal symmetry. Implementing local conformal symmetry while preserving the…Samuel W. P. Oliveira, Ilya L. Shapiro·Dec 18, 2025SaveLearn
Timelike Entanglement Entropy and Renormalization Group Flow IrreversibilityWe study holographic c-theorems based on timelike entanglement entropy and show that a timelike c-function captures irreversible renormalization group (RG) flow. We demonstrate that timelike…Dimitrios Giataganas·Dec 18, 2025SaveLearn
Dynamical Black Hole EmissionSemiclassical black hole emission in four spacetime dimensions is studied using a non-local effective action. The field equations that determine the time-dependent renormalized stress tensor are…David A. Lowe, Larus Thorlacius·Dec 18, 2025SaveLearn
A note on SU(1,1|n) and OSp(6|2) superconformal mechanicsIn this article we consider the construction of the superconformal mechanics that realize SU(1,1|n) and OSp(6|2) symmetries and involve interactions with non-Abelian bosonic currents. If is shown…Nikolay Kozyrev·Dec 18, 2025SaveLearn
Thermodynamics from the S-matrix reloaded: emergent thermal massThe formalism of Dashen, Ma and Bernstein (DMB) expresses the thermal partition function of a system in terms of the S-matrix operator, roughly Z(β) ∫ dE\, e-βE\,Tr\, S(E),…Pietro Baratella, Joan Elias Miro·Dec 18, 2025SaveLearn