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- Goddard Space Flight CenterUS44 papers
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26 papers · 1 filter
Chaotic Inflation in Supergravity with Heisenberg Symmetry
Stefan Antusch, Mar Bastero-Gil, Koushik Dutta +2
We propose the introduction of a Heisenberg symmetry of the Kahler potential to solve the problems with chaotic inflation in supergravity, as a viable alternative to the use of shi…
S-matrix equivalence restored
Chih-Hao Fu, Jonathan Fudger, Paul R. W. Mansfield +2
The canonical transformation that maps light-cone Yang-Mills theory to a Lagrangian description of the MHV rules is non-local, consequently the two sets of fields do not necessaril…
Chemical Potential in the Gravity Dual of a 2+1 Dimensional System
Nick Evans, Ed Threlfall
We study probe D5 branes in D3 brane AdS_5 and AdS_5-Schwarzschild backgrounds as a prototype dual description of strongly coupled 2+1 dimensional quasi-particles. We introduce a c…
The many vacua of gauged extended supergravities
Thomas Fischbacher
A novel method is presented which employs advanced numerical techniques used in the engineering sciences to find and study the properties of nontrivial vacua of gauged extended sup…
Non-geometric flux vacua, S-duality and algebraic geometry
Adolfo Guarino, George James Weatherill
The four dimensional gauged supergravities descending from non-geometric string compactifications involve a wide class of flux objects which are needed to make the theory invariant…
The canonical transformation and massive CSW vertices for MHV-SQCD
Tim R. Morris, Zhiguang Xiao
The similarity of massive CSW scalar vertices and quark vertices can be understood using a kind of light-cone SUSY transformation presented in this paper. We also show that the can…