Axion-Dilaton Black Holes

Details Axion-Dilaton Black Holes Axion-Dilaton Black Holes

1993-03-19

arxiv.org/abs/hep-th/9303106v1

Physics

High Energy Physics

High Energy Physics - Theory

8 pages, LATEX, (Talk presented at the TEXAS/PASCOS conference, Berkeley, December 1992)

Scientific paper

10.1111/j.1749-6632.1993.tb43918

In this talk some essential features of stringy black holes are described. We consider charged four-dimensional axion-dilaton black holes. The Hawking temperature and the entropy of all solutions are shown to be simple functions of the squares of supercharges, defining the positivity bounds. Spherically symmetric and multi black hole solutions are presented. The extreme solutions have some unbroken supersymmetries. Axion-dilaton black holes with zero entropy and zero area of the horizon form a family of stable particle-like objects, which we call holons. We discuss the possibility of splitting of nearly extreme black holes into holons.

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