Dyonic black hole in heterotic string theory
نویسندگان
چکیده
منابع مشابه
Exact Models of Extremal Dyonic 4D Black Hole Solutions of Heterotic String Theory
Families of exact (0, 2) supersymmetric conformal field theories of magnetically and electrically charged extremal 4D black hole solutions of heterotic string theory are presented. They are constructed using a (0, 1) supersymmetric SL(2, IR)× SU(2) Wess–Zumino–Witten model where anomalously embedded U(1)×U(1) subgroups are gauged. Crucial cancelations of the U(1) anomalies coming from the super...
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متن کاملDyonic black holes in effective string theory.
The spherical symmetric dyonic black hole solutions of the effective action of heterotic string are studied perturbatively up to second order in the inverse string tension. An expression for the temperature in terms of the mass and the electric and magnetic charge of the black hole is derived and it is shown that its behaviour is qualitatively different in the two special cases where the electr...
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We explicitly compute the entropy of an extremal dyonic black hole in heterotic string theory compactified on T 6 or K3 × T 2 by taking into account all the tree level four derivative corrections to the low energy effective action. For supersymmetric black holes the result agrees with the answer obtained earlier 1) by including only the Gauss-Bonnet corrections to the effective action 2) by inc...
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ژورنال
عنوان ژورنال: Nuclear Physics B
سال: 1997
ISSN: 0550-3213
DOI: 10.1016/s0550-3213(96)00590-1