37 citations · 179 across the 23 of their papers we have counts for
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New superparticle models in AdS superspaces
Nowar E. Koning, Emmanouil S. N. Raptakis
Recently, new superparticle models have been proposed in the -extended four and five-dimensional anti-de Sitter (AdS) superspaces, AdS and AdS$^{5|8…
On three-dimensional supersymmetry: maximally supersymmetric backgrounds and massive deformations
Sergei M. Kuzenko, Emmanouil S. N. Raptakis, Igor B. Samsonov +1
Using the superspace formulation for -extended conformal supergravity in three dimensions, we derive all maximally supersymmetric backgrounds in the ${\cal…
nonlinear multiplet and supergravity
Sergei M. Kuzenko, Emmanouil S. N. Raptakis
We propose an nonlinear multiplet coupled to conformal supergravity and use it to formulate the equations of motion for Poincaré supergravity. T…
The anti-de Sitter supergeometry revisited
Nowar E. Koning, Sergei M. Kuzenko, Emmanouil S. N. Raptakis
In a supergravity framework, the -extended anti-de Sitter (AdS) superspace in four spacetime dimensions, , is a maximally symmetric background that…
Towards superconformal higher-spin theory
Sergei M. Kuzenko, Emmanouil S. N. Raptakis
Three years ago, we proposed free off-shell models for superconformal higher-spin multiplets in arbitrary conformally flat backgrounds, constructed conserved confo…
Covariant quantisation of tensor multiplet models
Sergei M. Kuzenko, Emmanouil S. N. Raptakis
The Batalin-Vilkovisky formalism is applied to quantise the supersymmetric generalisation of the Freedman-Townsend (FT) model, which was proposed by Lindström and Roče…
Higher-derivative deformations of the ModMax theory
Sergei M. Kuzenko, Emmanouil S. N. Raptakis
We present higher-derivative deformations of the ModMax theory which preserve both duality symmetry and Weyl invariance. In particular, we single out a class of def…
Aspects of superconformal symmetry
Emmanouil S. N. Raptakis
In this thesis we study classical aspects of superconformal field theory via symmetry principles. Specifically, by employing the powerful setup of conformal superspace, we obtain a…
conformal superspace in four dimensions
Sergei M. Kuzenko, Emmanouil S. N. Raptakis
We develop a superspace formulation for conformal supergravity in four spacetime dimensions as a gauge theory of the superconformal group . Upon im…
Self-duality for -extended superconformal gauge multiplets
Sergei M. Kuzenko, Emmanouil S. N. Raptakis
We develop a general formalism of duality rotations for -extended superconformal gauge multiplets in conformally flat backgrounds as an extension of the approach given in a…
Embedding formalism for -extended AdS superspace in four dimensions
Nowar E. Koning, Sergei M. Kuzenko, Emmanouil S. N. Raptakis
The supertwistor and bi-supertwistor formulations for -extended anti-de Sitter (AdS) superspace in four dimensions, , were derived two year…
The superconformal gravitino multiplet
Daniel Hutchings, Sergei M. Kuzenko, Emmanouil S. N. Raptakis
We propose a new gauge prepotential describing the four-dimensional superconformal gravitino multiplet. The former naturally arises via a superspace reductio…
On higher-spin supercurrent multiplets
Sergei M. Kuzenko, Emmanouil S. N. Raptakis
We elaborate on the structure of higher-spin supercurrent multiplets in four dimensions. It is shown that associated with every conformal supercurrent $J_{α(m) \dot…
Conformal supergeometries in two dimensions
Sergei M. Kuzenko, Emmanouil S. N. Raptakis
We propose a superspace formulation for conformal supergravity in two dimensions as a gauge theory of the superconformal group $\mathsf{OSp}_0 (p|2; {\mathbb R} ) \times \m…
Covariant superspace approaches to supergravity
S. M. Kuzenko, E. S. N. Raptakis, G. Tartaglino-Mazzucchelli
We provide a unified description of the three covariant superspace approaches to conformal supergravity in four dimensions: (i) conformal superspace; (ii) $\mathsf{U}(…
Superspace approaches to supergravity
S. M. Kuzenko, E. S. N. Raptakis, G. Tartaglino-Mazzucchelli
The superspace formalism for supergravity in four dimensions is a powerful geometric setting to engineer off-shell supergravity-matter theories, including higher-de…
Conformal interactions between matter and higher-spin (super)fields
Sergei M. Kuzenko, Michael Ponds, Emmanouil S. N. Raptakis
In even spacetime dimensions, the interacting bosonic conformal higher-spin (CHS) theory can be realised as an induced action. The main ingredient in this definition is the model $…
Duality-invariant (super)conformal higher-spin models
Sergei M. Kuzenko, Emmanouil S. N. Raptakis
We develop a general formalism of duality rotations for bosonic conformal spin- gauge fields, with , in a conformally flat four-dimensional spacetime. In the case…
Extended superconformal higher-spin gauge theories in four dimensions
Sergei M. Kuzenko, Emmanouil S. N. Raptakis
Using the off-shell formulation for conformal supergravity in four dimensions, we describe superconformal higher-spin multiplets of conserved currents in a curved back…
Symmetries of supergravity backgrounds in six dimensions
Sergei M. Kuzenko, Ulf Lindström, Emmanouil S. N. Raptakis +1
General supergravity-matter systems in six dimensions may be described using one of the two fully fledged superspace formulations for conformal supergravity: (i…
Generalised superconformal higher-spin multiplets
Sergei M. Kuzenko, Michael Ponds, Emmanouil S. N. Raptakis
We propose generalised superconformal higher-spin (SCHS) gauge multiplets of depth , , with . At the component level, for…
New locally (super)conformal gauge models in Bach-flat backgrounds
Sergei M. Kuzenko, Michael Ponds, Emmanouil S. N. Raptakis
For every conformal gauge field in four dimensions, with , a gauge-invariant action is known to exist in arbitrary conformally flat backgrounds. If…
Symmetries of supergravity backgrounds and supersymmetric field theory
Sergei M. Kuzenko, Emmanouil S. N. Raptakis
In four spacetime dimensions, all supergravity-matter systems can be formulated in the so-called superspace proposed by Howe in 1981. This paper is de…