Zobrazeno 1 - 10
of 88
pro vyhledávání: '"Matulich, Javier"'
We propose a consistent set of boundary conditions for gravity in asymptotically flat spacetime at spacelike infinity, which yields an enhancement of the Bondi-Metzner Sachs group with smooth superrotations and new subleading symmetries. These bounda
Externí odkaz:
http://arxiv.org/abs/2404.02197
Autor:
Matulich, Javier, Rodríguez, Evelyn
In this paper we analyze the asymptotic symmetries of the three-dimensional Chern-Simons supergravity for a supersymmetric extension of the semi-simple enlargement of the Poincar\'e algebra, also known as AdS-Lorentz superalgebra, which is characteri
Externí odkaz:
http://arxiv.org/abs/2310.16614
We consider spacetime metrics with a given (but quite generic) dependence on a dimensionful parameter such that in the 0 and infinity limits of that parameter the metric becomes singular. We study the isometry groups of the original spacetime metrics
Externí odkaz:
http://arxiv.org/abs/2309.13947
In this work we present novel and known three-dimensional hypergravity theories which are obtained by applying the powerful semigroup expansion method. We show that the expansion procedure considered here yields a consistent way of coupling different
Externí odkaz:
http://arxiv.org/abs/2304.10624
We develop the analysis of the asymptotic properties of gravity in higher spacetime dimensions $D$, with a particular emphasis on the case $D=5$. Our approach deals with spatial infinity and is Hamiltonian throughout. It is shown that the asymptotic
Externí odkaz:
http://arxiv.org/abs/2206.04972
We study asymptotically flat spacetimes in five spacetime dimensions by Hamiltonian methods, focusing on spatial infinity and keeping all asymptotically relevant nonlinearities in the transformation laws and in the charge-generators. Precise boundary
Externí odkaz:
http://arxiv.org/abs/2111.09664
Super-BMS$_4$ algebras -- also called BMS$_4$ superalgebras -- are graded extensions of the BMS$_4$ algebra. They can be of two different types: they can contain either a finite number or an infinite number of fermionic generators. We show in this le
Externí odkaz:
http://arxiv.org/abs/2108.07825
Publikováno v:
Phys. Rev. D 104, 064011 (2021)
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 containing two massless spin-2 fields coup
Externí odkaz:
http://arxiv.org/abs/2105.12243
Asymptotic structure of the Rarita-Schwinger theory in four spacetime dimensions at spatial infinity
We investigate the asymptotic structure of the free Rarita-Schwinger theory in four spacetime dimensions at spatial infinity in the Hamiltonian formalism. We impose boundary conditions for the spin-3/2 field that are invariant under an infinite-dimen
Externí odkaz:
http://arxiv.org/abs/2011.04669
The asymptotic structure of the Pauli-Fierz theory at spatial infinity is investigated in four spacetime dimensions. Boundary conditions on the massless spin-$2$ field that are invariant under an infinite-dimensional group of non-trivial ``improper''
Externí odkaz:
http://arxiv.org/abs/2007.12721