Results 21 to 30 of about 16,304 (220)

Cosmology and Supergravity [PDF]

open access: yesInternational Journal of Modern Physics A, 2016
Abdus Salam was a true master of 20th Century Theoretical Physics. Not only was he a pioneer of the Standard Model (for which he shared the Nobel Prize with S. Glashow and S. Weinberg), but he also (co)authored many other outstanding contributions to the field of Fundamental Interactions and their unification. In particular, he was a major contributor
Ferrara, S.   +2 more
openaire   +5 more sources

Enhanced Separation Behavior of Metals from Simulated Printed Circuit Boards by Supergravity

open access: yesMetals, 2022
Printed circuit boards (PCBs) contain valuable metals, epoxy resin, and glass fiber, resulting in them being considered as attractive secondary sources of metals.
Long Meng, Yudong Liu, Zhancheng Guo
doaj   +1 more source

Supersymmetric AdS Solitons, Ground States, and Phase Transitions in Maximal Gauged Supergravity

open access: yesParticles, 2023
We review some recent soliton solutions in a class of four-dimensional supergravity theories. The latter can be obtained from black hole solutions by means of a double Wick rotation.
Antonio Gallerati
doaj   +1 more source

f (R) Theories of supergravities and pseudo-supergravities [PDF]

open access: yesJournal of High Energy Physics, 2012
Latex, 46 ...
Liu, Haishan, Lü, H., Wang, Zhao-Long
openaire   +2 more sources

Multi-Field versus Single-Field in the Supergravity Models of Inflation and Primordial Black Holes

open access: yesUniverse, 2021
We review the models unifying inflation and Primordial Black Hole (PBH) formation, which are based on the modified (Starobinsky-type) supergravity. We begin with the basic (Starobinsky) inflationary model of modified gravity and its alpha-attractor-type ...
Sergei V. Ketov
doaj   +1 more source

Chiral supergravity [PDF]

open access: yesJournal of High Energy Physics, 2009
We study the linearized approximation of N=1 topologically massive supergravity around AdS3. Linearized gravitino fields are explicitly constructed. For appropriate boundary conditions, the conserved charges demonstrate chiral behavior, so that chiral gravity can be consistently extended to chiral supergravity.
Becker, Melanie   +2 more
openaire   +3 more sources

Holographic RG flows in $$N=4$$ N=4 SCFTs from half-maximal gauged supergravity

open access: yesEuropean Physical Journal C: Particles and Fields, 2018
We study four-dimensional $$N=4$$ N=4 gauged supergravity coupled to six vector multiplets with semisimple gauge groups $$SO(4)\times SO(4)$$ SO(4)×SO(4) , $$SO(3,1)\times SO(3,1)$$ SO(3,1)×SO(3,1) and $$SO(4)\times SO(3,1)$$ SO(4)×SO(3,1) . All of these
Parinya Karndumri, Khem Upathambhakul
doaj   +1 more source

On the Geometric Approach to the Boundary Problem in Supergravity

open access: yesUniverse, 2021
We review the geometric superspace approach to the boundary problem in supergravity, retracing the geometric construction of four-dimensional supergravity Lagrangians in the presence of a non-trivial boundary of spacetime.
Laura Andrianopoli, Lucrezia Ravera
doaj   +1 more source

Two-dimensional SCFTs from matter-coupled $$7D~N=2$$ 7DN=2 gauged supergravity

open access: yesEuropean Physical Journal C: Particles and Fields, 2019
We study supersymmetric $$AdS_3\times M^4$$ AdS3×M4 solutions of $$N=2$$ N=2 gauged supergravity in seven dimensions coupled to three vector multiplets with $$SO(4)\sim SO(3)\times SO(3)$$ SO(4)∼SO(3)×SO(3) gauge group and $$M^4$$ M4 being a four ...
Parinya Karndumri, Patharadanai Nuchino
doaj   +1 more source

Quintessence and supergravity

open access: yesPhysics Letters B, 1999
In the context of quintessence, the concept of tracking solutions allows to address the fine-tuning and coincidence problems. When the field is on tracks today, one has $Q\approx m_{\rm Pl}$ demonstrating that, generically, any realistic model of quintessence must be based on supergravity.
Brax, Ph., Martin, J.
openaire   +3 more sources

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