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Extremal stringy black holes in equilibrium at first order in $\alpha'$
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abstract
We compute the first-order $\alpha'$ corrections to well-known families of heterotic multi-center black-hole solutions in five and four dimensions. The solutions can be either supersymmetric or non-supersymmetric, depending on the relative sign between two of the black-hole charges. For both cases, we find that the equilibrium of forces persists after including the $\alpha'$ corrections, as the existence of multi-center solutions free of unphysical singularities shows. We analyze the possibility of black-hole fragmentation.
Forward citations
Cited by 3 Pith papers
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Multicenter higher-derivative BPS black holes
Two- and three-charge BPS black holes of the torus-reduced heterotic action are rewritten in five-dimensional STU supergravity fields, and the resulting action is shown to differ from known N=2 R^2 invariants.
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Exploring String Theory Solutions: Black hole thermodynamics with $\alpha'$ corrections and type II compactifications
A doctoral thesis restating published results on α'-corrected black holes in heterotic string theory and on type II flux compactifications, with no new standalone results.
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Black hole solutions in theories of supergravity
A review of the history of black hole solutions in supergravity, from early no-superhair theorems to attractor mechanics and alpha-prime corrections.
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