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arXiv · 2608.08870

Production of Primordial Black Holes in the Double D3-Brane - anti-D3-Brane Inflation Model

S. -H. Henry Tye
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Abstract

A natural extension of the successful $D3$-${\bar D}3$-brane inflation model in string theory is one with two $D3$-${\bar D}3$-brane pairs, giving rise to a novel feature in string-theory. When the first pair annihilates, $D1$-strings and $F1$-strings are produced. Following the non-commutative geometric properties in string theory, it is shown by Myers that the presence of the $D3$-charge field strength of the remaining $D3$-${\bar D}3$-brane pair leads to the formation of dielectric $3$-branes -- neutral, finite-size bound states of $3$-branes with $D1$-strings. They behave as matter with little or no pressure. Spanning a wide range of masses, they seed primordial black holes in the early universe.

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S. -H. Henry Tye. 2026-08-09. Production of Primordial Black Holes in the Double D3-Brane - anti-D3-Brane Inflation Model. https://arxiv.org/abs/2608.08870

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