Results 51 to 60 of about 93,812 (242)

New Black Hole Solutions in N = 2 and N = 8 Gauged Supergravity

open access: yesUniverse, 2021
We review a special class of N=2 supergravity model that interpolates all the single-dilaton truncations of the maximal SO(8) gauged supergravity.
Antonio Gallerati
doaj   +1 more source

Quintessence with two energy scales [PDF]

open access: yes, 2001
We study quintessence models using low energy supergravity inspired from string theory. We consider effective supergravity with two scales m_S, the string scale, and m_PL, the Planck scale and show that quintessence naturally arises from a supersymmetry ...
A. Balbi   +41 more
core   +2 more sources

Supersymmetric AdS$$_2\times \Sigma _2$$ 2×Σ2 solutions from tri-sasakian truncation

open access: yesEuropean Physical Journal C: Particles and Fields, 2017
A class of $$\mathrm{AdS}_2\times \Sigma _2$$ AdS2×Σ2 , with $$\Sigma _2$$ Σ2 being a two-sphere or a hyperbolic space, solutions within four-dimensional $$N=4$$ N=4 gauged supergravity coupled to three-vector multiplets with dyonic gauging is identified.
Parinya Karndumri
doaj   +1 more source

On the Vacuum Structure of the N=4 Conformal Supergravity

open access: yesUniverse, 2021
We consider N=4 conformal supergravity with an arbitrary holomorphic function of the complex scalar S which parametrizes the SU(1,1)/U(1) coset. Assuming non-vanishings vevs for S and the scalars in a symmetric matrix Eij of the 10¯ of SU(4) R-symmetry ...
Ioannis Dalianis   +3 more
doaj   +1 more source

On QCD_2 from supergravity and mass gaps in QCD [PDF]

open access: yes, 1999
As a test of the conjectured QCD/supergravity duality, we consider mass gaps in the supergravity construction of QCD_2. We find a mass gap in the dual field theory both when using non-rotating and rotating black D2-branes as backgrounds in the ...
Horava   +7 more
core   +2 more sources

Warped AdS6 × S2 in Type IIB supergravity II: global solutions and five-brane webs [PDF]

open access: yes, 2017
A bstractMotivated by the construction of holographic duals to five-dimensional superconformal quantum field theories, we obtain global solutions to Type IIB supergravity invariant under the superalgebra F (4) on a space-time of the form AdS6 × S2 warped
E. D’hoker, M. Gutperle, C. Uhlemann
semanticscholar   +1 more source

Supergravity backgrounds of the η-deformed AdS2 × S2 × T6 and AdS5 × S5 superstrings [PDF]

open access: yesJournal of High Energy Physics, 2018
We construct supergravity backgrounds for the integrable η-deformations of the AdS2 × S2 × T6 and AdS5 × S5 superstring sigma models. The η-deformation is governed by an R-matrix that solves the non-split modified classical Yang-Baxter equation on the ...
B. Hoare, F. K. Seibold
semanticscholar   +1 more source

Supergravity metallurgy: principles, experimental methods, techniques, and applications

open access: yes工程科学学报, 2021
Supergravity significantly increases the gravity difference between two phases and thus can accelerate phase separation in solid–liquid mixtures, liquid–liquid mixtures, and liquid–bubble mixtures that have high temperatures and viscosities.
Zhan-cheng GUO   +4 more
doaj   +1 more source

Remarks on the Green–Schwarz Terms of Six-Dimensional Supergravity Theories [PDF]

open access: yesCommunications in Mathematical Physics, 2018
We construct the Green–Schwarz terms of six-dimensional supergravity theories on spacetimes with non-trivial topology and gauge bundle. We prove the cancellation of all global gauge and gravitational anomalies for theories with gauge groups given by ...
Samuel Monnier, G. Moore
semanticscholar   +1 more source

Removal of Low-Content Impurities from Pure Al by Supergravity Combined with Semi-Solid Method

open access: yesMetals, 2023
Recently, the purification technology for high-purity aluminum (Al) has become the focus and difficulty of the majority of researchers. In this study, a novel approach for removing iron (Fe) impurities from pure Al via combining the supergravity field ...
Lu Wang, Xi Lan, Zhe Wang, Zhancheng Guo
doaj   +1 more source

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