7D (non-)susy vacua & DWs from dynamical open stringsWarped compactifications of massive type IIA supergravity on a 3-sphere with spacetime-filling O6/D6 sources are known to admit a half-maximal gauged supergravity description in 7D. We study the…Valentina Bevilacqua, Giuseppe Dibitetto, Giuseppe Sudano·Mar 5, 2026SaveLearn
On curvature corrections for field theory cosmic stringsWe present a combined analytical and numerical study of the effective action of field theory cosmic strings in the Abelian-Higgs model in flat space. Starting directly from the underlying solitonic…Josu C. Aurrekoetxea, Jose J. Blanco-Pillado, Alberto García Martín-Caro et al.·Mar 5, 2026SaveLearn
Discrete θtheta Projection: A Gauge-Protected Solution to the Strong CP Problem Without AxionsWe address the strong CP problem: why the physical QCD angle theta-bar must be extraordinarily small given the stringent bounds on the neutron electric dipole moment. Peccei-Quinn axion models can…Sameer Ahmad Mir, Bobby Eka Gunara, Mir Faizal·Mar 5, 2026SaveLearn
Introduction to holographyThese are course notes for the 'Introduction to holography' Master level course at University of Cologne. The goal of the course is to give a pedogogical introduction to holography.…Nele Callebaut·Mar 5, 2026SaveLearn
Simulating Lattice Gauge Theories with Virtual RishonsClassical tensor network and hybrid quantum-classical algorithms are promising candidates for the investigation of real-time properties of lattice gauge theories. We develop here a novel framework…David Rogerson, João Barata, Robert M. Konik et al.·Mar 5, 2026SaveLearn
Gravitational instantons from closed superstring field theoryWe test exact marginality of the deformation describing the resolution of a Z2 orbifold by analyzing the closed superstring equations of motion to third order in the size, including…Ivo Sachs, Xianghang Zhang·Mar 5, 2026SaveLearn
Parameter compression in the flux landscapeWe present a data-driven investigation of the exhaustive ensemble of no-scale type IIB flux vacua constructed in Chauhan:2025rdj. Using a combination of linear and non-linear…Aman Chauhan, Michele Cicoli, Sven Krippendorf et al.·Mar 5, 2026SaveLearn
Holographic QCD and quarkonium melting: Finite temperature, density, and external field effects in self-consistent dynamical modelsThis MSc dissertation is based on the papers arXiv:2502.12694 and arXiv:2408.14813. The AdS/CFT correspondence provides a powerful framework for modeling strongly coupled gauge theories and, as a…Bruno Toniato·Mar 5, 2026SaveLearn
Regge trajectories from the adjoint sector of Matrix Quantum MechanicsWe reexamine the large N limit of SU(N) symmetric quantum mechanics of a Hermitian matrix whose singlet sector is well known to be exactly solvable via free fermions. When the Fermi level…Igor R. Klebanov, Henry W. Lin, Pavel Meshcheriakov·Mar 4, 2026SaveLearn
Single-minus graviton tree amplitudes are nonzeroSingle-minus tree-level n-graviton scattering amplitudes are revisited. Often presumed to vanish, they are shown here to be nonvanishing for certain "half-collinear" configurations existing…Alfredo Guevara, Alexandru Lupsasca, David Skinner et al.·Mar 4, 2026SaveLearn
Resumming Spinning Black Hole Dynamics at Third Post-Minkowskian OrderWe investigate the relativistic scattering of spinning black holes using modern amplitude methods within a heavy-mass effective field theory formalism at third post-Minkowskian order. Using a…N. Emil J. Bjerrum-Bohr, Gang Chen, Konstantinos Papadimos et al.·Mar 4, 2026SaveLearn
Heterotic horizons and AdS3 backgrounds that preserve 6 supersymmetriesWe prove, under suitable global assumptions, that the only heterotic horizons with closed 3-form field strength that preserve strictly 6 supersymmetries have spatial horizon section diffeomorphic to…Georgios Papadopoulos·Mar 4, 2026SaveLearn
Scattering of kinks in Frankensteinian potentials: Kinks as bubbles of exotic mass and phase transitions in oscillon productionWe present a dynamical picture of kink-anti-kink scattering in a pair of special, Frankensteinian potentials made of piece-wise quadratic and linear pieces. Specifically, we focus on models that…Lukáš Rafaj, Ondřej Nicolas Karpíšek, Filip Blaschke·Mar 4, 2026SaveLearn
A relation between the HOMFLY-PT and Kauffman polynomials via charactersThe HOMFLY-PT and Kauffman polynomials are related to each other for special classes of knots constructed by full twists and Jucys-Murphy twists. The conditions for this relation are articulated in…Andreani Petrou, Shinobu Hikami·Mar 4, 2026SaveLearn
The Chern-Simons Natural Boundary and Black Hole EntropyThe method of resurgent continuation of transseries reveals a new correspondence between the q-series for enumerating degeneracies of quarter-BPS states in supersymmetric black holes and Z…Griffen Adams, Gerald V. Dunne·Mar 4, 2026SaveLearn
Spin Chains from large-N QCD at strong couplingWe study the strong coupling expansion of large N QCD in various dimensions, reformulating the Kogut-Susskind Hamiltonian on a square lattice in terms of (constrained) one dimensional spin chain…David Berenstein, Hiroki Kawai·Mar 4, 2026SaveLearn
From BPS geodesics to mode-driven dynamics in the scattering of multiple BPS vorticesWe analyze how the geodesic motion in the 3- and 4-vortex sectors of the Abelian-Higgs model at critical coupling is deformed by the excitation of a massive bound mode. We find that the geodesics…Alberto Alonso-Izquierdo, Maximilian Bachmaier, Andrzej Wereszczynski·Mar 4, 2026SaveLearn
Nonabelian Lattice Weak Gravity Conjecture and Monopole ConfinementWithin the known landscape of quantum gravity, most theories satisfy the Lattice Weak Gravity Conjecture (LWGC), which requires a superextremal particle at every site in the electric charge lattice…Matthew Reece, Tom Rudelius·Mar 4, 2026SaveLearn
Quantum field theories with many fieldsThe large-N quantum field theories provide a window into the regime of strongly-coupled physics. Our principal object of study in this thesis is the large-N family of melonic QFTs, which contain…Ludo Fraser-Taliente·Mar 4, 2026SaveLearn
Casimir Effect for a Massive Scalar Field in Lorentz-Violating Aether CompactificationThis work investigates the influence of Lorentz symmetry breaking, introduced by an aether-like field αϕ, on the Casimir effect within a five-dimensional flat spacetime. By considering a…K. E. L. de Farias, M. A. Anacleto, A. A. Araújo Filho et al.·Mar 4, 2026SaveLearn
Non-local nonstabiliserness in Gluon and Graviton ScatteringThe property of non-stabiliserness, or ``magic'', is of interest in quantum computing due to its role in developing fault-tolerant quantum algorithms with genuine computational advantage over…John Gargalionis, Nathan Moynihan, Michael L. Reichenberg Ashby et al.·Mar 4, 2026SaveLearn
The indivisibility of a quantum-corrected AdS black hole with phantom global monopolesWe study the indivisibility of a quantum-corrected AdS black hole involving two kinds of global monopoles, regular or phantom ones to declare the effects from the quantum fluctuation, monopole…Tiantong Cheng, Hongbo Cheng·Mar 4, 2026SaveLearn
CFT Perspective On de-Sitter Cosmological CorrelatorsWe investigate the principles of quantum field theory using a stiff de Sitter space. We demonstrate that a non-unitary Lagrangian on a Euclidean AdS geometry can produce the perturbative expansion of…Sayantan Choudhury·Mar 4, 2026SaveLearn
An algorithm towards -factorising Feynman IntegralsIn this talk, we use several examples to elaborate on how a recently proposed algorithm can turn non-trivial Feynman integrals into an -factorised manner, regardless of their hidden…epsilon-collaboration, :, Iris Bree et al.·Mar 4, 2026SaveLearn
Chern-Simons corner phase spaces in BF-BB theoriesWe investigate an approach to determine corner Poisson brackets of fields restricted to codimension 2 and 3 surfaces in 4D theories, without making use of boundary conditions. Instead, within the…Simon Langenscheidt·Mar 3, 2026SaveLearn