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Renormalization-group flows and charge transmutation in string theory
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DOI：10.1002/prop.200510290.png)
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摘要
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We analyze the behaviour of heterotic squashed-Wess-Zumino-Witten backgrounds under renormalization-group flow. The flows we consider are driven by perturbation creating extra gauge fluxes. We show how the conformal point acts as an attractor from both the target-space and world-sheet points of view. We also address the question of instabilities created by the presence of closed time-like curves in string backgrounds. (c) 2000 WILEY-VCH Vertag GmBH & Co. KGaA, Weinheim.
Keyword:
superstring vacua
conformal field models
string theory
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F
IF:
7.8
论文数:
2.0K
被引数:
3.6K
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