165 citations · 1.1k across the 38 of their papers we have counts for
26 papers · 1 filter
Asymptotic dynamics of three dimensional supergravity and higher spin gravity revisited
Wout Merbis, Turmoli Neogi, Arash Ranjbar
We reconsider the Hamiltonian reduction of the action for three dimensional AdS supergravity and higher spin AdS gravity in the Chern-Simons formulation under asymptotically…
Warped Flatland
Stéphane Detournay, Wout Merbis, Gim Seng Ng +1
We study warped flat geometries in three-dimensional topologically massive gravity. They are quotients of global warped flat spacetime, whose isometries are given by the 2-dimensio…
Asymptotic dynamics of AdS gravity with two asymptotic regions
Marc Henneaux, Wout Merbis, Arash Ranjbar
The asymptotic dynamics of AdS gravity with two asymptotically anti-de Sitter regions is investigated, paying due attention to the zero modes, i.e., holonomies along non-contra…
Geometric actions and flat space holography
Wout Merbis, Max Riegler
In this paper we perform the Hamiltonian reduction of the action for three-dimensional Einstein gravity with vanishing cosmological constant using the Chern-Simons formulation and…
On asymptotic charges in 3D gravity
Eric A. Bergshoeff, Wout Merbis, Paul K. Townsend
A variant of the ADT method for the determination of gravitational charges as integrals at infinity is applied to "Chern-Simons-like" theories of 3D gravity, and the result is used…
Near horizon dynamics of three dimensional black holes
Daniel Grumiller, Wout Merbis
We perform the Hamiltonian reduction of three dimensional Einstein gravity with negative cosmological constant under constraints imposed by near horizon boundary conditions. The th…
On-shell versus Off-shell Equivalence in 3D Gravity
Eric Bergshoeff, Wout Merbis, Paul Townsend
A given field theory action determines a set of field equations but other actions may yield equivalent field equations; if so they are on-shell equivalent. They may also be off-she…
Supersymmetric Galilean conformal blocks
Ivano Lodato, Wout Merbis, Zodinmawia
We set up the bootstrap procedure for supersymmetric Galilean Conformal (SGC) field theories in two dimensions by constructing the SGC blocks in the and two possibl…
Soft hairy warped black hole entropy
Daniel Grumiller, Philip Hacker, Wout Merbis
We reconsider warped black hole solutions in topologically massive gravity and find novel boundary conditions that allow for soft hairy excitations on the horizon. To compute the a…
New entropy formula for Kerr black holes
Hernan Gonzalez, Daniel Grumiller, Wout Merbis +1
We introduce a new entropy formula for Kerr black holes inspired by recent results for 3-dimensional black holes and cosmologies with soft Heisenberg hair. We show that also Kerr-T…
Most general flat space boundary conditions in three-dimensional Einstein gravity
Daniel Grumiller, Wout Merbis, Max Riegler
We consider the most general asymptotically flat boundary conditions in three-dimensional Einstein gravity in the sense that we allow for the maximal number of independent free fun…
Soft hairy horizons in three spacetime dimensions
Hamid Afshar, Daniel Grumiller, Wout Merbis +3
We discuss some aspects of soft hairy black holes and a new kind of "soft hairy cosmologies", including a detailed derivation of the metric formulation, results on flat space, and…
Super-BMS algebras from flat supergravities
Ivano Lodato, Wout Merbis
We consider two possible flat space limits of three dimensional AdS supergravity. They differ by how the supercharges are scaled with the AdS radius : t…
Soft Heisenberg hair on black holes in three dimensions
Hamid Afshar, Stephane Detournay, Daniel Grumiller +4
Three-dimensional Einstein gravity with negative cosmological constant admits stationary black holes that are not necessarily spherically symmetric. We propose boundary conditions…
Free energy of topologically massive gravity and flat space holography
Daniel Grumiller, Wout Merbis
We calculate the free energy from the on-shell action for topologically massive gravity with negative and vanishing cosmological constant, thereby providing a first principles deri…
Stress tensor correlators in three-dimensional gravity
Arjun Bagchi, Daniel Grumiller, Wout Merbis
We calculate holographically arbitrary n-point correlators of the boundary stress tensor in three-dimensional Einstein gravity with negative or vanishing cosmological constant. We…
Chern-Simons-like Theories of Gravity
Wout Merbis
In this PhD thesis, we investigate a wide class of three-dimensional massive gravity models and show how most of them (if not all) can be brought in a first-order, Chern-Simons-lik…
Interacting spin-2 fields in three dimensions
Hamid R. Afshar, Eric A. Bergshoeff, Wout Merbis
Using the frame formulation of multi-gravity in three dimensions, we show that demanding the presence of secondary constraints which remove the Boulware-Deser ghosts restricts the…
Extended massive gravity in three dimensions
Hamid R. Afshar, Eric A. Bergshoeff, Wout Merbis
Using a first order Chern-Simons-like formulation of gravity we systematically construct higher-derivative extensions of general relativity in three dimensions. The construction en…
Minimal Massive 3D Gravity
Eric Bergshoeff, Olaf Hohm, Wout Merbis +2
We present an alternative to Topologically Massive Gravity (TMG) with the same "minimal" bulk properties; i.e. a single local degree of freedom that is realized as a massive gravit…
Chern-Simons-like Gravity Theories
Eric A. Bergshoeff, Olaf Hohm, Wout Merbis +2
A wide class of three-dimensional gravity models can be put into "Chern-Simons-like" form. We perform a Hamiltonian analysis of the general model and then specialise to Einstein-Ca…
Logarithmic AdS Waves and Zwei-Dreibein Gravity
Eric A. Bergshoeff, Andrés F. Goya, Wout Merbis +1
We show that the parameter space of Zwei-Dreibein Gravity (ZDG) in AdS3 exhibits critical points, where massive graviton modes coincide with pure gauge modes and new `logarithmic'…
Zwei-Dreibein Gravity
Eric A. Bergshoeff, Sjoerd de Haan, Olaf Hohm +2
We present a generally-covariant and parity-invariant "zwei-dreibein" action for gravity in three space-time dimensions that propagates two massive spin-2 modes, unitarily, and we…
Three-Dimensional Tricritical Gravity
Eric A. Bergshoeff, Sjoerd de Haan, Wout Merbis +2
We consider a class of parity even, six-derivative gravity theories in three dimensions. After linearizing around anti-de Sitter space, the theories have one massless and two massi…