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Effects of brane-flux transition on black holes in string theory

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Effects of brane-flux transition on black holes in string theory

資料種別
文書・図像類
著者
Loaiza-Brito, Oscarほか
出版者
-
出版年
2007-08-09
資料形態
デジタル
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-
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一般注記:

Oscar Loaiza-Brito, Kin-ya Oda. Effects of brane-flux transition on black holes in string theory. https://arxiv.org/abs/hep-th/0703033.This is a pre-p...

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資料種別
文書・図像類
著者・編者
Loaiza-Brito, Oscar
Oda, Kinya
出版年月日等
2007-08-09
出版年(W3CDTF)
2007-08-09
本文の言語コード
eng
対象利用者
一般
一般注記
Oscar Loaiza-Brito, Kin-ya Oda. Effects of brane-flux transition on black holes in string theory. https://arxiv.org/abs/hep-th/0703033.
This is a pre-print of an article published in Journal of High Energy Physics. The final authenticated version is available online at: https://doi.org/10.1088/1126-6708/2007/08/002.
Extremal N = 2 black holes in four dimensions can be described by an ensemble of D3-branes wrapped on internal supersymmetric three-cycles of Calabi-Yau threefolds on which type IIB superstring theory is compactified. We construct a similar configuration, with extra RR and NS-NS three-form fluxes being turned on. We can avoid the PreedWitten anomaly on the D3-branes by enforcing the pullback of these extra fluxes to the D3-branes to vanish at the classical level. In the setup the D3-brane charge is not conserved since it is classified as a trivial class in twisted K-theory. Consequently, the D3-branes may disappear by encountering an instantonic D5-brane localized in time. We discuss what happens on the black hole described by such disappearing D3-branes, relying mainly on topological arguments. Especially, we argue that another RR three-form flux will be left as a lump of remnant which is localized in the uncompactified four-dimensional space-time and that it may carry the same amount of degrees of freedom to describe a black hole, in cooperation with the original NS-NS flux, after this transition of the D3-branes.