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Regge behavior saves String Theory from causality violations · Around

2015

Regge behavior saves String Theory from causality violations

D'Appollonio, Giuseppe, Di Vecchia, Paolo, Russo, Rodolfo et al.

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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 $b \le l_s$ (the string-length parameter) with $l_s \gg R_p$ (the characteristic scale of the D$p$-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.

Built on

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Similar

P. Di Vecchia, M. Frau, I. Pesando, S. Sciuto, A. Lerda, et al
1997
Cited alongside, same era.
G. Veneziano, “String-theoretic unitary S-matrix at the threshold of black-hole production,” JHEP
2004
Cited alongside, same era.
R. C. Brower, J. Polchinski, M. J. Strassler, and C.-I. Tan, “The Pomeron and gauge/string duality,” JHEP
2007
Cited alongside, same era.
G. D’Appollonio, P. Di Vecchia, R. Russo, and G. Veneziano, “High-energy string-brane scattering: Leading eikonal and beyond,” JHEP
Original
2010
Cited alongside, same era.
X. O. Camanho, J. D. Edelstein, J. Maldacena, and A. Zhiboedov, “Causality Constraints on Corrections to the Graviton Three-Point Coupling,” arXiv:1407.5597 [hep-th]
Original
Cited in the paper.

Then

W. Black and C. Monni, “High energy string-brane scattering for massive states,” Nucl.Phys
Original
2012
Later among the works it cites.
G. D’Appollonio, P. Di Vecchia, R. Russo, and G. Veneziano, “Microscopic unitary description of tidal excitations in high-energy string-brane collisions,” JHEP
Original
2013
Later among the works it cites.
G. D’Appollonio, P. Di Vecchia, R. Russo, and G. Veneziano, “The leading eikonal operator in string-brane scattering at high energy,” Springer Proc.Phys
Original
2014
Later among the works it cites.
M. Ciafaloni and D. Colferai, “Rescattering corrections and self-consistent metric in Planckian scattering,” JHEP
Original
2014
Later among the works it cites.

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G. D’Appollonio, P. Di Vecchia, R. Russo, and G. Veneziano, “A microscopic description of absorption in high-energy string-brane collisions,” in preparation

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