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hep-th2026★ 3 cited

Horizon Edge Partition Functions in Quantum Gravity

Y. T. Albert Law, Varun Lochab

We obtain the spectra of codimension-2 horizon "edge" degrees of freedom for gravity and higher-spin gauge fields in de Sitter space and in the static Nariai spacetime, advancing p…

hep-th2025

Klein Bottle Cosmology

Brian Greene, Daniel Kabat, Janna Levin +1

We explore a higher-dimensional universe that is a product of Minkowski space and the nonorientable Klein bottle. The topology explicitly breaks important symmetries, such as trans…

hep-th2025★ 1 cited

One-loop four-graviton string amplitude at finite

Marco Maria Baccianti, Lorenz Eberhardt, Sebastian Mizera

We evaluate the one-loop four-graviton scattering amplitude in type-II superstring theory exactly in . This result is achieved by combining physical insights into the $i\vareps…

hep-th2025★ 1 cited

Gravitons on Nariai Edges

Y. T. Albert Law, Varun Lochab

We show that, for any , the one-loop graviton path integral on factorizes into bulk and edge parts. The bulk equals the thermal partition function of a…

hep-th2025★ 10 cited

Microcausality without Lorentz invariance

Lam Hui, Alberto Nicolis, Alessandro Podo +1

Microcausality -- the vanishing of commutators outside the lightcone -- is a fundamental property of relativistic quantum field theories. We derive its implications for two-point f…

hep-th2025★ 17 cited

Wormholes, branes and finite matrices in sine dilaton gravity

Andreas Blommaert, Adam Levine, Thomas G. Mertens +2

We compute the double trumpet in sine dilaton gravity via WdW quantization. The wormhole size is discretized. The wormhole amplitude matches the spectral correlation of a finite-cu…

hep-th2024★ 3 cited

Fractonic Coset Construction for Spontaneously Broken Translations

Ameya Chavda, Daniel Naegels, John Staunton

We study the homogeneous breaking of spatial translation symmetry concomitantly with the spontaneous breaking of other internal and spacetime symmetries, including dilations. We us…

hep-th2024★ 2 cited

Real-time observables in de Sitter thermodynamics

Manvir Grewal, Y. T. Albert Law

We study real-time finite-temperature correlators for free scalars of any mass in a static patch in any dimension. We show that whenever the inverse temperature is a rat…

hep-th2023★ 11 cited

The connection between nonzero density and spontaneous symmetry breaking for interacting scalars

Alberto Nicolis, Alessandro Podo, Luca Santoni

We consider -symmetric scalar quantum field theories at zero temperature. At nonzero charge densities, the ground state of these systems is usually assumed to be a supe…

hep-th2022★ 4 cited

Apparent Fine Tunings for Field Theories with Broken Space-Time Symmetries

Alberto Nicolis, Ira Z. Rothstein

We exhibit a class of effective field theories that have hierarchically small Wilson coefficients for operators that are not protected by symmetries but are not finely tuned. These…

hep-th2022★ 7 cited

On Causality Conditions in de Sitter Spacetime

Noah Bittermann, Daniel McLoughlin, Rachel A. Rosen

We carefully consider the Shapiro time delay due to black holes and shockwaves in de Sitter spacetime and study the implications for causality. We discuss how causality conditions…

hep-th2022★ 39 cited

Ladder Symmetries of Black Holes and de Sitter Space: Love Numbers and Quasinormal Modes

Roman Berens, Lam Hui, Zimo Sun

In this note, we present a synopsis of geometric symmetries for (spin 0) perturbations around (4D) black holes and de Sitter space. For black holes, we focus on static perturbation…

hep-th2022★ 18 cited

Black Hole Horizon Edge Partition Functions

Manvir Grewal, Y. T. Albert Law, Klaas Parmentier

We extend a formula for 1-loop black hole determinants by Denef, Hartnoll, and Sachdev (DHS) to spinning fields on any -dimensional static spherically symmetric black hole.…

hep-th2022★ 12 cited

Soft theorems for boosts and other time symmetries

Lam Hui, Austin Joyce, Ilia Komissarov +3

We derive soft theorems for theories in which time symmetries -- symmetries that involve the transformation of time, an example of which are Lorentz boosts -- are spontaneously bro…

hep-th2022★ 8 cited

Cosmology as a weak gravitational field and the trans-Planckian problem

Ilia Komissarov, Alberto Nicolis, John Staunton

At momenta much higher than the Hubble scale, the cosmological expansion can be thought of as a weak gravitational field. We consider QFT in a particularly convenient set of coordi…

hep-th2022★ 10 cited

Superluminal Propagation on a Moving Braneworld

Brian Greene, Daniel Kabat, Janna Levin +1

We consider a braneworld scenario in the simplest setting, , with a 4D Minkowski metric induced on the brane, and establish the possibility of superluminal propagat…

hep-th2022★ 8 cited

Towards an "AdSCFT" correspondence from the DD system?

Sergio E. Aguilar-Gutierrez, Klaas Parmentier, Thomas Van Riet

We argue that a type IIB Euclidean supergravity solution of the form with imaginary self-dual flux through be…

hep-th2022★ 19 cited

Black Hole Scattering and Partition Functions

Y. T. Albert Law, Klaas Parmentier

When computing the ideal gas thermal canonical partition function for a scalar outside a black hole horizon, one encounters the divergent single-particle density of states (DOS) du…

hep-th2022

Integer solutions to the anomaly equations for a class of chiral gauge theories

Alessandro Podo, Filippo Revello

We find all the integer charge solutions to the equations for the cancellation of local gauge anomalies in a class of gauge theories which extend the Standard Model (SM) by a gauge…

hep-th2022★ 13 cited

Integrating out beyond tree level and relativistic superfluids

Austin Joyce, Alberto Nicolis, Alessandro Podo +1

We revisit certain subtleties of renormalization that arise when one derives a low-energy effective action by integrating out the heavy fields of a more complete theory. Usually th…

hep-th2022★ 64 cited

Near-Zone Symmetries of Kerr Black Holes

Lam Hui, Austin Joyce, Riccardo Penco +2

We study the near-zone symmetries of a massless scalar field on four-dimensional black hole backgrounds. We provide a geometric understanding that unifies various recently discover…

hep-th2022★ 17 cited

Soft limits of the wavefunction in exceptional scalar theories

Noah Bittermann, Austin Joyce

We study the structure of the flat space wavefunctional in scalar field theories with nonlinearly realized symmetries. These symmetries imply soft theorems that are satisfied by wa…

hep-th2022★ 9 cited

An improved Noether's theorem for spacetime symmetries

Ioanna Kourkoulou, Alberto Nicolis, Guanhao Sun

We exploit an ambiguity somewhat hidden in Noether's theorem to derive systematically, for relativistic field theories, the stress-energy tensor's improvement terms that are associ…

hep-th2021★ 11 cited

Characters, quasinormal modes, and Schwinger pairs in with flux

Manvir Grewal, Klaas Parmentier

An integral representation of the 1-loop partition function for charged scalars and spinors, minimally coupled to a uniform field on , is given in terms of Ha…