Hypersymmetric extensions of Maxwell-Chern-Simons gravity in 2+1 dimensions
TLDR
In this article, a consistent way of coupling three-dimensional hyper-Maxwell-Chern-Simons gravity theory with massless spin-$\frac{5}{2}$ gauge fields was presented.Abstract:
We present a consistent way of coupling three-dimensional Maxwell-Chern-Simons gravity theory with massless spin-$\frac{5}{2}$ gauge fields. We first introduce the simplest hyper-Maxwell-Chern-Simons gravity generically containing two massless spin-2 fields coupled with a massless Majorana fermion of spin $\frac{5}{2}$ whose novel underlying superalgebra is explicitly constructed. We then present three alternative hypersymmetric extensions of the Maxwell algebra which are shown to emerge from the In\"on\"u-Wigner contraction procedure of precise combinations of the $\mathfrak{o}\mathfrak{s}\mathfrak{p}(1|4)$ and the $\mathfrak{s}\mathfrak{p}(4)$ algebras. This allows us to construct distinct types of hyper-Maxwell-Chern-Simons theories that extend to include generically interacting nonpropagating spin-4 fields accompanied by one or two spin-$\frac{5}{2}$ gauge fields.read more
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Mapping relativistic to ultra/non-relativistic conformal symmetries in 2D and finite T T ¯ $$ \sqrt{T\overline{T}} $$ deformations
TL;DR: The conformal symmetry algebra in 2D (Diff(S1)⊕Diff (S1)) is shown to be related to its ultra/non-relativistic version (BMS3≈GCA2) through a nonlinear map of the generators, without any sort of limiting process.
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Non-relativistic and ultra-relativistic expansions of three-dimensional spin-3 gravity theories
TL;DR: In this article , a spin-3 extension of the AdS algebra was obtained by applying the expansion procedure using different semigroups, leading to spin 3 extensions of known non-relativistic and ultra-relateivistic algebras.
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Three-dimensional Maxwellian Carroll gravity theory and the cosmological constant
TL;DR: In this article, an extension of the Maxwellian Carroll symmetry is shown to be necessary in order for the invariant tensor of the ultra-relativistic Maxwellian algebra to be non-degenerate.
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Mapping relativistic to ultra/non-relativistic conformal symmetries in 2D and finite $\sqrt{T\bar{T}}$ deformations
TL;DR: The conformal symmetry algebra in 2D (Diff($S^{1}$)$\oplus$Diff$S€ 1}$)) is shown to be related to its ultra/non-relativistic version (BMS${3}$ ) through a nonlinear map of the generators, without any sort of limiting process as discussed by the authors.
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Three-dimensional Maxwellian Carroll gravity theory and the cosmological constant
TL;DR: In this article, an extension of the Maxwellian Carroll symmetry is presented for the invariant tensor of the ultra-relativistic Maxwellian algebra to be non-degenerate.
References
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Asymptotic symmetries of three-dimensional gravity coupled to higher-spin fields
TL;DR: In this paper, the emergence of higher-spin fields coupled to three-dimensional Einstein gravity with a negative cosmological constant is discussed, where the authors focus on models involving a finite number of bosonic higher spin fields and especially on the example provided by a spin-3 field to gravity.
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Nonlinear higher spin theories in various dimensions
TL;DR: In this article, an introduction to the nonlinear equations for completely symmetric bosonic higher spin gauge fields in anti de Sitter space of any dimension is provided, and some related issues such as the MacDowell-Mansouri-Stelle-West formulation of gravity, unfolded formulation of dynamical systems in terms of free differential algebras and Young tableaux symmetry properties in terms with Howe dual algesbras are discussed.
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On the Gravitational Interaction of Massless Higher Spin Fields
E.S. Fradkin,Mikhail A. Vasiliev +1 more
TL;DR: In this article, it was shown that the gravitational interaction of massless higher-spin fields (s > 2) does exist at least in the first nontrivial order, despite a widespread belief.
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Nonlinear W ∞ as asymptotic symmetry of three-dimensional higher spin AdS gravity
TL;DR: In this article, the authors investigated the asymptotic symmetry algebra of (2+1)-dimensional higher spin, anti-de Sitter gravity, and showed that it is a nonlinearly realized W ∞ algebra with classical central charges.
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Higher-spin gauge theories in four, three and two dimensions
TL;DR: In this paper, the theory of higher-spin gauge fields in four and three space-time dimensions was reviewed and some new results on higher spin gauge interactions of matter fields in two dimensions were presented.