activity
20162026
most citedF-theory and AdS_3/CFT_2

77 citations · 478 across the 25 of their papers we have counts for

collaborators

27 papers

hep-th2026

Ten-dimensional localization

Christopher Couzens, Alice Lüscher, James Sparks

We construct equivariantly closed polyforms for the fluxes and the action of (massive) type IIA and type IIB supergravity directly in ten dimensions. We illustrate applications of…

hep-th2026

Probing black holes with equivariant localization

Pietro Benetti Genolini, Christopher Couzens, Alice Lüscher

We introduce equivariant localization as a method for computing the action of probe branes in supergravity backgrounds. We apply it to supersymmetric probe D3-branes in type IIB su…

hep-th2026

IIB an equivariantly localized puncture

Christopher Couzens, Alice Lüscher, James Sparks

We use equivariant localization to compute various observables for preserving AdS solutions in type IIB supergravity. Our method for localizing the odd-dime…

hep-th2025

Localizing punctures in M-theory

Christopher Couzens, Alice Lüscher, James Sparks

We use equivariant localization and holography to study four-dimensional superconformal field theories arising from M5-branes wrapped on a punctured Riemann surface…

hep-th2025

Localizing Romans supergravity

Christopher Couzens, Carolina Matte Gregory, Davide Muniz +2

We derive a general formula for the on-shell action of six-dimensional Euclidean Romans supergravity using equivariant localization. Our results are obtained without the need for s…

hep-th2024★ 1 cited

A geometric dual of F-maximization in massive type IIA

Christopher Couzens, Alice Lüscher

Using equivariant localization we construct a geometric dual of F-maximization in massive type IIA supergravity. Our results use only topological data to quantize the fluxes, compu…

hep-th2024

On the Class Origin of Spindle Solutions

Pieter Bomans, Christopher Couzens

We analyse the backreacted geometry corresponding to a stack of M5-branes wrapped on a spindle, with a view towards precision tests of the dual superconformal fie…

hep-th2023

Holographic duals of Higgsed

Christopher Couzens, Monica Jinwoo Kang, Craig Lawrie +1

We construct the AdS holographic duals to all non-Lagrangian 4d superconformal field theories of Argyres--Douglas type, namely, , arisin…

hep-th2023★ 1 cited

Symmetry Breaking and Consistent Truncations from M5-branes Wrapping a Disc

Pieter Bomans, Christopher Couzens, Yein Lee +1

We construct new supersymmetric solutions corresponding to M5-branes wrapped on a topological disc by turning on additional scalars in the background. The presence of such scalar f…

hep-th2022★ 27 cited

D4-branes wrapped on four-dimensional orbifolds through consistent truncation

Christopher Couzens, Hyojoong Kim, Nakwoo Kim +2

We construct a consistent truncation of six-dimensional matter coupled gauged supergravity on a cornucopia of two-dimensional surfaces including a spindle, disc, domain wall…

hep-th2022★ 15 cited

A plethora of Type IIA embeddings for minimal supergravity

Christopher Couzens, Niall T. Macpherson, Achilleas Passias

We construct multiple embeddings of all solutions of minimal (un)gauged supergravity into massive Type IIA supergravity. The internal spaces and warpings of such embeddings a…

hep-th2022★ 3 cited

Universal spindles: D2's on and M5's on

Christopher Couzens, Koen Stemerdink

We study the uplift of a 4d black hole in 4d Einstein--Maxwell supergravity with a spindle horizon to massive type IIA and 11d supergravity on . The solutio…

hep-th2022★ 26 cited

Holographic duals of M5-branes on an irregularly punctured sphere

Christopher Couzens, Hyojoong Kim, Nakwoo Kim +1

We provide explicit holographic duals of M5-branes wrapped on a sphere with one irregular puncture and one regular puncture of arbitrary type. The solutions generalise the solution…

hep-th2022★ 14 cited

On Type IIA AdS solutions and massive GK geometries

Christopher Couzens, Niall T. Macpherson, Achilleas Passias

We give the necessary and sufficient conditions for warped AdS (and Mink) solutions of Type II supergravities to preserve supersymmetry, in terms of geomet…

hep-th2021★ 32 cited

A tale of (M)2 twists

Christopher Couzens

We study the parameter space of magnetically charged AdS solutions in 4d U gauged STU supergravity. We show that both \emph{twist} and…

hep-th2021★ 42 cited

M2-branes on Discs and Multi-Charged Spindles

Christopher Couzens, Koen Stemerdink, Damian van de Heisteeg

We study supersymmetric AdS solutions of 11d supergravity where is an fibration over a Riemann surface equipped with a metric of non-constant curvature. W…

hep-th2021★ 24 cited

N=(0,4) Black String Chains

Christopher Couzens, Yolanda Lozano, Nicolò Petri +1

We construct black string solutions in Type IIA supergravity arising from intersecting D2-D4-D6-NS5 branes in the presence of fractional D4-branes. The fractional D4-branes arise f…

hep-th2021★ 44 cited

AdS from D3-branes wrapped on Riemann surfaces

Christopher Couzens, Niall T. Macpherson, Achilleas Passias

We construct supersymmetric AdS solutions of type IIB supergravity, dual to twisted compactifications of 4d super-Yang--Mills on Riemann sur…

hep-th2020★ 11 cited

The Near-Horizon Geometry of Supersymmetric Rotating AdS Black Holes in M-theory

Christopher Couzens, Eric Marcus, Koen Stemerdink +1

We classify the necessary and sufficient conditions to obtain the near-horizon geometry of extremal supersymmetric rotating black holes embedded in 11d supergravity. Such rotating…

hep-th2020★ 9 cited

Anomalies of (0,4) SCFTs from F-theory

Christopher Couzens, Huibert het Lam, Kilian Mayer +1

We study the macroscopics of 2d SCFTs arising from F-theory constructions. The class of 2d SCFTs we consider live on black strings which are obtained by wrappin…

hep-th2019★ 18 cited

Twisted SCFTs and their AdS duals

Christopher Couzens, Huibert het Lam, Kilian Mayer

We study compactifications of an infinite family of four-dimensional SCFTs on a Riemann surface in the presence of arbitrary background fluxes for global symmetries…

hep-th2019★ 5 cited

AdS Solutions of Type IIB and F-theory with Generic Fluxes

Christopher Couzens

We consider the most general AdS solutions of type IIB supergravity admitting a dynamical SU structure and preserving supersymmetry. The analysis is br…

hep-th2019

Black Holes and (0,4) SCFTs from Type IIB on K3

Christopher Couzens, Huibert het Lam, Kilian Mayer +1

We study the central charges and levels of 2d superconformal field theories that are dual to four- and five-dimensional BPS black holes in compactifications of…

hep-th2018★ 66 cited

A geometric dual of -extremization

Christopher Couzens, Jerome P. Gauntlett, Dario Martelli +1

We consider supersymmetric AdS and AdS solutions of type IIB and supergravity, respectively, that are holographically dual to SCFTs with $(0,2)…