Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Centre National de la Recherche ScientifiqueFR1.7k papers
- Institut de Ciències del CosmosES1.4k papers
- TU Dortmund UniversityDE1.2k papers
- Institut National de Physique Nucléaire et de Physique des ParticulesFR1.2k papers
- Heidelberg UniversityDE1.2k papers
- University of EdinburghGB1.2k papers
- Istituto Nazionale di Fisica Nucleare, Sezione di PisaIT1.1k papers
- Universitat de ValènciaES1.1k papers
- University of ManchesterGB1.1k papers
- Rutherford Appleton LaboratoryGB1.1k papers
- Imperial College LondonGB1.1k papers
- Massachusetts Institute of TechnologyUS1.1k papers
23 papers · 2 filters
Vector Supersymmetry: Casimir operators and contraction from OSp(3,2|2)
Roberto Casalbuoni, Federico Elmetti, Joaquim Gomis +3
We study some algebraic properties of the 'vector supersymmetry' (VSUSY) algebra, a graded extension of the four-dimensional Poincare' algebra with two odd generators, a vector and…
The Classification of Highly Supersymmetric Supergravity Solutions
U. Gran, J. Gutowski, G. Papadopoulos +1
The spinorial geometry method is an effective method for constructing systematic classifications of supersymmetric supergravity solutions. Recent work on analysing highly supersymm…
Black Holes as Lumps of Fluid
Marco M. Caldarelli, Oscar J. C. Dias, Roberto Emparan +1
The old suggestive observation that black holes often resemble lumps of fluid has recently been taken beyond the level of an analogy to a precise duality. We investigate aspects of…
Black Rings in Taub-NUT and D0-D6 interactions
Joan Camps, Roberto Emparan, Pau Figueras +2
We analyze the dynamics of neutral black rings in Taub-NUT spaces and their relation to systems of D0 and D6 branes in the supergravity approximation. We employ several recent tech…
Warped Wilson Line DBI Inflation
A. Avgoustidis, I. Zavala
We propose a novel inflationary scenario in string theory in which the inflaton field is a 'Wilson line' degree of freedom in the worldvolume of a probe Dp-brane, in a warped flux…
Non-linear theory for multiple M2 branes
Roberto Iengo, Jorge G. Russo
We present a manifestly SO(8) invariant non-linear Lagrangian for describing the non-abelian dynamics of the bosonic degrees of freedom of N coinciding M2 branes in flat spacetime.…
Dyonic D3 branes
Bartomeu Fiol
We describe embeddings of a single D3-brane in generic IIB supergravity backgrounds when both electric and magnetic fields are turned on. As a particular application, we describe a…
Populating the swampland: the case of U(1)^496 and E_8 x U(1)^248
Bartomeu Fiol
For d=10 N=1 SUGRA coupled to d=10 N=1 SYM, anomaly cancellation places severe constraints on the allowed gauge groups. Besides the ones known to appear in string theory, only U(1)…
Holographic Multiverse
J. Garriga, A. Vilenkin
We explore the idea that the dynamics of the inflationary multiverse is encoded in its future boundary, where it is described by a lower dimensional theory which is conformally inv…
Semiclassical Unimodular Gravity
Bartomeu Fiol, Jaume Garriga
Classically, unimodular gravity is known to be equivalent to General Relativity (GR), except for the fact that the effective cosmological constant has the status of an integrat…
A note on the Chevalley-Eilenberg Cohomology for the Galilei and Poincare Algebras
Sotirios Bonanos, Joaquim Gomis
We construct in a systematic way the complete Chevalley-Eilenberg cohomology at form degree two, three and four for the Galilei and Poincare groups. The corresponding non-trivial f…
Gravitational radiation in d>4 from effective field theory
Vitor Cardoso, Oscar J. C. Dias, Pau Figueras
Some years ago, a new powerful technique, known as the Classical Effective Field Theory, was proposed to describe classical phenomena in gravitational systems. Here we show how thi…
The Superconformal Gaugings in Three Dimensions
Eric A. Bergshoeff, Olaf Hohm, Diederik Roest +2
We show how three-dimensional superconformal theories for any number N <= 8 of supersymmetries can be obtained by taking a conformal limit of the corresponding three-dimensional ga…
Bagger-Lambert Theory for General Lie Algebras
Jaume Gomis, Giuseppe Milanesi, Jorge G. Russo
We construct the totally antisymmetric structure constants f^{ABCD} of a 3-algebra with a Lorentzian bi-invariant metric starting from an arbitrary semi-simple Lie algebra. The str…
Two-field cosmological models and large-scale cosmic magnetic fields
A. A. Andrianov, F. Cannata, A. Yu. Kamenshchik +1
We consider two different toy cosmological models based on two fields (one normal scalar and one phantom) realizing the same evolution of the Bang-to-Rip type. One of the fields (p…
Black Rings in (Anti)-deSitter space
Marco M. Caldarelli, Roberto Emparan, Maria J. Rodriguez
We construct solutions for thin black rings in Anti-deSitter and deSitter spacetimes using approximate methods. Black rings in AdS exist with arbitrarily large radius and satisfy a…
Extended Symmetries in Supergravity: the Semi-simple Case
Axel Kleinschmidt, Diederik Roest
The bosonic sector of various supergravity theories reduces to a homogeneous space G/H in three dimensions. The corresponding algebras g are simple for (half-)maximal supergravity,…
Transverse Symmetry and Spin-3/2 Fields
D. Blas
We study the possible covariant Lagrangians that describe the propagation of pure spin-3/2 particles. We show that, apart from the well-known Rarita-Schwinger Lagrangian, there is…
Enlarged NH symmetries: Particle Dynamics and Gauge Symmetries
Joaquim Gomis, Jerzy Lukierski
We show how the Newton-Hooke (NH) symmetries, representing a nonrelativistic version of de-Sitter symmetries, can be enlarged by a pair of translation vectors describing in Galilea…
Black Holes in Higher Dimensions
Roberto Emparan, Harvey S. Reall
We review black hole solutions of higher-dimensional vacuum gravity, and of higher-dimensional supergravity theories. The discussion of vacuum gravity is pedagogical, with detailed…
Space-time Vector Supersymmetry and Massive Spinning Particle
Roberto Casalbuoni, Joaquim Gomis, Kiyoshi Kamimura +1
We construct the action of a relativistic spinning particle from a non-linear realization of a space-time odd vector extension of the Poincaré group. For particular values of the p…
Bicycling Black Rings
Henriette Elvang, Maria J. Rodriguez
We present detailed physics analyses of two different 4+1-dimensional asymptotically flat vacuum black hole solutions with spin in two independent planes: the doubly spinning black…
Fundamental Plasmid Strings and Black Rings
Jose J. Blanco-Pillado, Roberto Emparan, Alberto Iglesias
We construct excited states of fundamental strings that admit a semiclassical description as rotating circular loops of string. We identify them with the supergravity solutions for…