Results 51 to 60 of about 15,750 (216)

Euclidean supergravity [PDF]

open access: yesJournal of High Energy Physics, 2017
Supergravity with eight supercharges in a four-dimensional Euclidean space is constructed at the full non-linear level by performing an off-shell time-like reduction of five-dimensional supergravity. The resulting four-dimensional theory is realized off-shell with the Weyl, vector and tensor supermultiplets and a corresponding multiplet calculus ...
de Wit, Bernard, Reys, Valentin
openaire   +5 more sources

N=2 central charge superspace and a minimal supergravity multiplet [PDF]

open access: yes, 1998
We extend the notion of central charge superspace to the case of local supersymmetry. Gauged central charge transformations are identified as diffeomorphisms on the same footing as spacetime diffeomorphisms and local supersymmetry transformations.
Akemann, G   +10 more
core   +1 more source

Novel Free Differential Algebras for Supergravity

open access: yesUniverse, 2023
We develop the theory of Free Integro-Differential Algebras (FIDA) extending the powerful technique of Free Differential Algebras constructed by D. Sullivan. We extend the analysis beyond the superforms to integral- and pseudo-forms used in supergeometry.
Pietro Antonio Grassi
doaj   +1 more source

Enhancing hydrogen evolution reaction by harnessing bubble dynamics regulation: Principles, methods, and outlook

open access: yesDroplet, Volume 5, Issue 3, July 2026.
Bubble dynamics pose critical bottlenecks to hydrogen evolution reaction efficiency, causing active site isolation, increased ohmic resistance, and concentration overpotential, especially at high current densities. This review comprehensively summarizes passive and active bubble manipulation strategies, elucidates their underlying principles, and ...
Ziwei Guo   +10 more
wiley   +1 more source

Preheating and supergravity [PDF]

open access: yesEighth Canadian conference on general relativity and relativistic astrophysics, 1999
10 pages, LaTex, aipproc macros; Talk given at the 8th Canadian Conference on General Relativity and Relativistic Astrophysics, McGill University, June 10-12 ...
openaire   +2 more sources

Space biomedicine‐oriented bioink and biomimetic blood‒brain barrier

open access: yesVIEW, Volume 7, Issue 3, June 2026.
Bioinks and bioprinting play a pivotal role in the successful delivery of cell models and the fabrication of tissue models for space biomedicine research. This study investigated the effects of hypergravity and vibration on two‐dimensional adherent cells and three‐dimensional embedded cells and provided methods for storing hybrid bioink and high ...
Ranran Yan   +3 more
wiley   +1 more source

Supergravity and the Poincaré group [PDF]

open access: yesPhysical Review D, 2002
An action for 3+1-dimensional supergravity genuinely invariant under the Poincare supergroup is proposed. The construction of the action is carried out considering a bosonic lagrangian invariant under both local Lorentz rotations and local Poincare translations as well as under diffeomorphism, and therefore the Poincare algebra closes off-shell.
Salgado, P, Cataldo, M, del Campo, S
openaire   +6 more sources

Properties of enhançons in supergravity [PDF]

open access: yes, 2003
A certain class of naked singularities, related to N = 2 pure super Yang-Mills theory, are resolved in string theory with the enhançon mechanism. We study the properties of the enhançon in supergravity.
Dimitriadis, Apostolos A.
core  

Anomalies in supergravity

open access: yesPhysics Letters B, 1986
Abstract The anomaly of the supercurrent of an abelian vector multiplet interacting with external supergravity is considered, and it is shown that it is equivalent to a gravitational anomaly. The local counterterms that reinstate the conservation of the supercurrent are exhibited.
CANESCHI L, VALTANCOLI, PAOLO
openaire   +2 more sources

Lifshitz solutions in supergravity and string theory [PDF]

open access: yes, 2010
We derive Lifshitz configurations in string theory for general dynamical exponents z \geq 1. We begin by obtaining simple Li x Omega solutions to supergravities in diverse dimensions, with Omega a compact constant curvature manifold.
Ivonne Zavala Carrasco   +14 more
core   +1 more source

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