Axionic Quintessence in Heterotic String TheoryWe investigate axionic quintessence in heterotic string compactifications. Starting from the ten-dimensional theory, we derive the four-dimensional axion effective action, including gauge couplings…David Andriot, Margherita Putti, Leo Veissiere·Oct 26, 2026SaveLearn
The Fate of 1/4-BPS States in the D1-D5 CFTWe consider the 1/4-BPS operators in the D1-D5 system on AdS3× S3× T4. We evaluate the anomalous dimensions of low-lying sectors in conformal perturbation theory around SymN(T4)…Suzanne Bintanja, Amey P. Gaikwad, Dikshant Rathore·Oct 26, 2026SaveLearn
Local Measures in Odd de SitterWe show that massless theories in odd-dimensional de Sitter space have very simple measures---the modulus squared of the late-time wavefunctional---at tree level. They are local functionals; in…Guilherme L. Pimentel, Nicole Righi, Behrang Tafreshi·Oct 26, 2026SaveLearn
BPS Chaos and Fortuity in Higgs Branches I: The Gepner PointThe BPS states in Calabi-Yau compactifications of type II string theory can sometimes be described using quiver quantum mechanics whose Higgs branch is a complete intersection manifold. Their…Micha Berkooz, Trivko Kukolj, Ohad Mamroud et al.·Oct 26, 2026SaveLearn
Cosmology of the Baby Universe in Coupled SYKWe analyze the structure of the baby universe which arises in the coupled SYK realization of the AS2 geometry. To do this, we develop and leverage combinatorial arguments about traces of many…Andrew Sontag·Oct 26, 2026SaveLearn
Analytic Bootstrap Solution for Quantum Mechanics on a CircleWe solve the Schrödinger equation for a particle in the circle with a quantum mechanical bootstrap method. The main idea is that in physical situations one needs solutions of the recursion relations…David Berenstein, Upamanyu Moitra·Oct 26, 2026SaveLearn
Cusp regularization with spin structures and gravitational anomaliesThe family of SL(2, Z) black holes has an accumulation point corresponding to a cusped geometry, which causes the sum over black holes to diverge. We extend cusp regularization to the sum…Elisa Tabor, Cynthia Yan·Oct 26, 2026SaveLearn
Instanton Structure from 325-Loop 3D ϕ3 Perturbation TheoryThe high order behavior of perturbation theory provides insight into non-perturbative phenomenon in quantum field theory. While extensively studied in simplified models, high order behavior is…Ian Moult, Bo Wang·Oct 26, 2026SaveLearn
The Art of Orbifolding by Huge Non-Abelian GroupsWe compute torus partition functions of orbifolds of two-dimensional chiral fermions by huge non-Abelian groups involving the Conway group, one of the sporadic finite simple groups. This seemingly…Jan Albert, Masaki Okada, Yuji Tachikawa·Oct 26, 2026SaveLearn
How to get an attractive modelWe give a fourth-order Calabi-Yau differential operator, which seems to have been missed by earlier tabulations. We draw attention to this operator because of its clear geometric interpretation and…Joseph McGovern·Oct 26, 2026SaveLearn
Quantum Field Theory on the Tangent BundleWe develop a quantum-field-theoretical framework on the tangent bundle in which gravitational and internal gauge structures are associated with different sectors of an affine tangent-fiber geometry.…Joachim Herrmann·Oct 26, 2026SaveLearn
Compositional Operational Rank, Smooth Realizability, and Dimensional ReductionHigher-dimensional theories distinguish the dimensionality of a microscopic description from the number of directions accessible to a physical observer. Relating these notions requires not only…Nikolay D. Tulupov, Alexander M. Tishin·Oct 26, 2026SaveLearn
The topological vertex is finitely generatedThe topological vertex computes all genus amplitudes for the open topological A-model in C3 with branes on three toric Lagrangians and, via gluing, both open and closed string amplitudes…Kunal Gupta, Pietro Longhi·Oct 26, 2026SaveLearn
Theory and Cosmology of Biverse Volume-Normalized GravityThis dissertation expounds the biverse volume-normalized gravity, a novel theoretical framework of classical and quantum gravity that provides an unusual solution to the cosmological constant…Siqing Yu·Oct 26, 2026SaveLearn
On memory effects in odd spacetime dimensionsWe establish the existence of a new electromagnetic memory effect in all odd spacetime dimensions. This effect is a universal property of electromagnetic fields sourced by charged particles of…Ana-Maria Raclariu, Binsong Xiong·Oct 26, 2026SaveLearn
The one-loop QCD scale anomaly on ADE orbifolds as an indexWe derive the one-loop scale anomaly of (N) Yang--Mills on the orbifold 4/Γ, with Γ⊂ (2) a finite subgroup, from an equivariant index theorem on twistor space. The anomaly…Herbie Warner·Oct 26, 2026SaveLearn
Exact Stress Tensor Flows in Causal Electrodynamics: Auxiliary Field FormalismCausal self-dual nonlinear electrodynamics admits a simple auxiliary-field description: the Lagrangian is linear in the two Lorentz invariants of the field strength, and the dynamics is encoded in a…Zahra Pezhman, H. Babaei-Aghbolagh, Komeil Babaei Velni·Oct 26, 2026SaveLearn
Relating Dark Dimension Size with Dark Energy via 5D Quintessence Potential and Casimir EnergyWe explore effective field theory (EFT) realizations of the dark dimension (DD) scenario in which the size of the DD is determined by the competition between a 5D quintessence potential and the…Rashmikanta Mantry, Kazuyuki Furuuchi·Oct 26, 2026SaveLearn
Graph-Based Algorithms for Worldline EFT IntegrandsWe present novel graph-centered algorithms for the construction and representation of worldline effective field theory (WEFT) integrands that separate the topological and algebraic structure of loop…Gregor Kälin, Jungwon Lim·Oct 26, 2026SaveLearn
Reparametrisation invariance, anomalies and pseudoscalar states in massless quantum electrodynamicsIn electrodynamics, and more generally in gauge theories, quantisation introduces an ambiguity whereby the vector current, the axial current, or both may acquire an anomalous divergence. These…Joshua Cesca, Archil Kobakhidze, Elden Loomes·Oct 26, 2026SaveLearn
Two-node Dualities from Elementary Dualities in 3d and 4dA new 3d N=2 two-node Seiberg-like duality, analogous to the 4d N=1 Intriligator--Leigh--Strassler~(ILS) duality, is proposed. As strong evidence, we check the agreement…Yuanyuan Fang, Sungjoon Kim·Oct 26, 2026SaveLearn
Nonlinear Higher-Spin Theory in O(4,1) de Sitter SpaceFour versions of the higher-spin gauge theory compatible with O(4,1) de Sitter geometry in presence of fermions are proposed. Two of them exhibit the structure of Z2× Z2…O. A. Gelfond, M. A. Vasiliev·Oct 25, 2026SaveLearn
Spiralling into Dark Energy: Axio-Dilaton Attractors in Light of Current DataIn string compactifications, dilaton-like moduli always come paired with axions, and the two fields interact through a curved field-space metric. We study the cosmology of such an axio-dilaton…Mario Ramos-Hamud·Oct 25, 2026SaveLearn
Exact lattice bosonization of the double-scaled c=1 matrix modelIn a recent paper by two of us, it has been shown that entanglement entropy (EE) of matrix quantum mechanics (or, equivalently, of a non-relativistic fermion model) has a natural interpretation in…Adwait Gaikwad, Gautam Mandal, Ajay Mohan·Oct 25, 2026SaveLearn
All-plus Yang--Mills and gravity wavefunctions in de Sitter spaceWe present sewing representations for tree-level all-plus wavefunctions in four-dimensional de Sitter space. For Yang--Mills theory, the arbitrary-multiplicity formula is a sum over noncrossing…Song He, Jiajie Mei, Yuyu Mo·Oct 25, 2026SaveLearn