The alpha-prime stretched horizon in Heterotic string
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2006-05-11T11:24:55Z
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Abstract
The linear alpha-prime corrections and the field redefinition ambiguities are studied for half-BPS singular backgrounds representing a wrapped fundamental string. It is shown that there exist schemes in which the inclusion of all the linear alpha-prime corrections converts these singular solutions to black holes with regular horizon for which the modified Hawking-Bekenstein entropy is in agreement with the statistical entropy.
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JHEP 0610 (2006) 070