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Extremal stringy black holes in equilibrium at first order in α′

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SCIPOST PHYSICS CORE
卷 6, 期 4, 页码 -

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DOI: 10.21468/SciPostPhysCore.6.4.072

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We compute the first-order alpha ' corrections to well-known families of heterotic multicenter black-hole solutions in five and four dimensions. The equilibrium of forces persists after including the alpha ' corrections, as evidenced by the existence of multi-center solutions free of unphysical singularities. We also analyze the possibility of black-hole fragmentation.
We compute the first-order alpha ' corrections to well-known families of heterotic multicenter 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.

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