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Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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288 papers · 1 filter
A supergravity dual for IKKT holography
Franz Ciceri, Henning Samtleben
The IKKT matrix model, from the holographic perspective, arises at the p=-1 endpoint of the family of dualities relating type II supergravities on near-horizon Dp-brane geometries…
Tests of restricted Quantum Focusing and a new CFT bound
Victor Franken, Sami Kaya, François Rondeau +2
The restricted quantum focusing conjecture (rQFC) plays a central role in an axiomatic formulation of semiclassical gravity. Since much hinges on its validity, it is imperative to…
Holography for de Sitter bubble geometries
Anastasios Irakleous, François Rondeau, Nicolaos Toumbas
We generalize the de Sitter static patch holographic proposal and the bilayer holographic entanglement entropy prescription to de Sitter geometries containing a bubble of smaller p…
Scale separation on AdS with and without supersymmetry
Aymeric Proust, Henning Samtleben, Ergin Sezgin
Six-dimensional chiral gauged Einstein-Maxwell supergravity admits a two-parameter rotating dyonic string solution whose near horizon limit is the direct product of AdS and a s…
Holography for the IKKT matrix model
Franz Ciceri, Henning Samtleben
Holographic dualities that relate type II strings on near-horizon Dp brane geometries to super Yang-Mills theories with sixteen supercharges in p+1 dimensions provide non-conformal…
Star-products for Lie-algebraic noncommutative Minkowski space-times
Valentine Maris, Filip Požar, Jean-Christophe Wallet
Poisson structures of the Poincaré group can be linked to deformations of the Minkowski space-time, classified some time ago by Zakrewski. Based on this classification, various qua…
Field-dependent diffeomorphisms and the transformation of surface charges between gauges
Luca Ciambelli, Marc Geiller
When studying gauge theories in the presence of boundaries, local symmetry transformations are typically classified as gauge or physical depending on whether the associated charges…
Consistent truncations and G-invariant AdS solutions of supergravity
Bastien Duboeuf, Michele Galli, Emanuel Malek +1
Maximal supergravities in ten and eleven dimensions admit consistent truncations on particular spheres to maximal supergravities in lower dimensions. Concurrently, the truncation t…
Torus reduction of maximal conformal supergravity
Franz Ciceri, Axel Kleinschmidt, Subrabalan Murugesan +1
We consider the dimensional reduction of N=(2,0) conformal supergravity in six dimensions on a two-torus to N=4 conformal supergravity in four dimensions. At the level of kinematic…
Celestial charges and the subleading structure of asymptotically-flat spacetimes
Marc Geiller
We study the subleading structure of asymptotically-flat spacetimes and its relationship to the loop algebra of higher spin charges. We do so using both the Bondi-Sa…
Radiative Asymptotic Symmetries of 3D Einstein-Maxwell Theory
Jorrit Bosma, Marc Geiller, Sucheta Majumdar +1
We study the null asymptotic structure of Einstein-Maxwell theory in three-dimensional (3D) spacetimes. Although devoid of bulk gravitational degrees of freedom, the system admits…
Towards a quadratic Poisson algebra for the subtracted classical monodromy of Symmetric Space Sine-Gordon theories
Francois Delduc, Ben Hoare, Marc Magro
Symmetric Space Sine-Gordon theories are two-dimensional massive integrable field theories, generalising the Sine-Gordon and Complex Sine-Gordon theories. To study their integrabil…
BMS symmetry in gravity: Front form versus Instant form
Sudarshan Ananth, Sucheta Majumdar
In General Relativity, the allowed set of diffeomorphisms or gauge transformations at asymptotic infinity forms the BMS group, an infinite-dimensional extension of the Poincaré gro…
Action of the monodromy matrix entries in the generalized algebraic Bethe ansatz
G. Kulkarni, N. A. Slavnov
We consider an spin chain within the framework of the generalized algebraic Bethe ansatz. We calculate the actions of monodromy matrix elements on Bethe vectors as a linear c…
Corner symmetry and quantum geometry
Laurent Freidel, Marc Geiller, Wolfgang Wieland
By virtue of the Noether theorems, the vast gauge redundancy of general relativity provides us with a rich algebra of boundary charges that generate physical symmetries. These char…
Residual gauge symmetry in light-cone electromagnetism
Sucheta Majumdar
We analyze the residual gauge freedom in light-cone electromagnetism in four dimensions. The standard boundary conditions involved in the so-called formalism, which contains…
Kaluza-Klein Spectrometry beyond Consistent Truncations: The Squashed
Bastien Duboeuf, Emanuel Malek, Henning Samtleben
We show how to use Exceptional Field Theory to compute the full Kaluza-Klein spectra of 10- and 11-dimensional supergravity around deformations of backgrounds of maximal gauged sup…
U-duality and corrections in three dimensions
Camille Eloy, Olaf Hohm, Henning Samtleben
We consider the target space theory of bosonic and heterotic string theory to first order in compactified to three dimensions, using a formulation that is manifestly T-duality…
Diffeomorphisms as quadratic charges in 4d BF theory and related TQFTs
Marc Geiller, Florian Girelli, Christophe Goeller +1
We present a Sugawara-type construction for boundary charges in 4d BF theory and in a general family of related TQFTs. Starting from the underlying current Lie algebra of boundary…
3D Quantum Gravity from Holomorphic Blocks
Etera R. Livine, Qiaoyin Pan
Three-dimensional gravity is a topological field theory, which can be quantized as the Ponzano-Regge state-sum model built from the -symbols of the recoupling of the $\SU(…
Supersymmetric action for 6D supergravity
Yannick Bertrand, Stefan Hohenegger, Olaf Hohm +1
We give a linearized but otherwise complete supersymmetric action for supergravity in six dimensions, using a Kaluza-Klein-type split of coordinates and fiel…
Minimal Massive Supergravity
Nihat Sadik Deger, Marc Geiller, Jan Rosseel +1
Minimal massive gravity in three dimensions propagates a single massive spin-2 mode around an AdS vacuum. It is distinguished by allowing for vacua with positive central charges of…
A note on the third way consistent deformation of Yang-Mills theory
Nihat Sadik Deger, Henning Samtleben
Three-dimensional Yang-Mills theory allows for a deformation quadratic in the field strengths which can not be integrated to a local action without auxiliary fields. Yet, its covar…
The partial Bondi gauge: Further enlarging the asymptotic structure of gravity
Marc Geiller, Céline Zwikel
We present a detailed analysis of gravity in a partial Bondi gauge, where only the three conditions are fixed. We relax in particular the so-called determinant co…