Regge behavior saves string theory from causality violations
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Publication:2635403
DOI10.1007/JHEP05(2015)144zbMATH Open1388.83065arXiv1502.01254MaRDI QIDQ2635403
Author name not available (Why is that?)
Publication date: 31 May 2018
Published in: (Search for Journal in Brave)
Abstract: Higher-derivative corrections to the Einstein-Hilbert action are present in bosonic string theory leading to the potential causality violations recently pointed out by Camanho et al. We analyze in detail this question by considering high-energy string-brane collisions at impact parameters (the string-length parameter) with (the characteristic scale of the D-brane geometry). If we keep only the contribution of the massless states causality is violated for a set of initial states whose polarization is suitably chosen with respect to the impact parameter vector. Such violations are instead neatly avoided when the full structure of string theory - and in particular its Regge behavior - is taken into account.
Full work available at URL: https://arxiv.org/abs/1502.01254
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