454 citations
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Showing 2011 · hep-thShow all
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hep-th2011★ 7 cited
All extremal instantons in Einstein-Maxwell-dilaton-axion theory
Mustapha Azreg-Aïnou, Gérard Clément, Dmitri V. Gal'tsov
We construct explicitly all extremal instanton solutions to supergravity truncated to one vector field (Einstein-Maxwell-dilaton-axion (EMDA) theory). These…
hep-th2011★ 62 cited
Phantom Black Holes and Sigma Models
Mustapha Azreg-Aïnou, Gérard Clément, Júlio C. Fabris +1
We construct static multicenter solutions of phantom Einstein-Maxwell-dilaton theory from null geodesics of the target space, leading to regular black holes without spatial symmetr…