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Abstract:

We study Planckian energy string collisions in flat spacetime as the scattering of a string in the effective curved background produced by the others as the impact parameter b decreases. We find the effective energy-density distribution ()exp{-22}, generated by these collisions. Two different regimes can be studied: intermediate impact parameters xd<>lns2>>xd. The effective metric generated by these collisions for large b is a gravitational shock wave of profile f()p4-D, i.e., the Aichelburg-Sexl (AS) geometry for a pointlike particle of momentum p. For intermediate b, f()q2, corresponding to an extended source of momentum q. The scattering matrix in this geometry and its implications for the string collision process are analyzed. We show that the poles iGs=n, n=0,1,2, characteristic of the scattering by the AS geometry are absent here, due to the extended nature of the effective source. © 1992 The American Physical Society.

Registro:

Documento: Artículo
Título:Curved-spacetime metric generated by Planckian energy string collisions
Autor:Loust, C.O.; Snchez, N.
Filiación:Observatorie de Paris, Section Meudon, Observatoire de Meudon et Cole Normale Supérieure, 92195 Meudon Principal Cedex, France
IAFE, Cas. Corr. 67, Suc. 28, 1428 Buenos Aires, Argentina
Año:1992
Volumen:46
Número:10
Página de inicio:4520
Página de fin:4525
DOI: http://dx.doi.org/10.1103/PhysRevD.46.4520
Título revista:Physical Review D
ISSN:05562821
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_05562821_v46_n10_p4520_Loust

Referencias:

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Citas:

---------- APA ----------
Loust, C.O. & Snchez, N. (1992) . Curved-spacetime metric generated by Planckian energy string collisions. Physical Review D, 46(10), 4520-4525.
http://dx.doi.org/10.1103/PhysRevD.46.4520
---------- CHICAGO ----------
Loust, C.O., Snchez, N. "Curved-spacetime metric generated by Planckian energy string collisions" . Physical Review D 46, no. 10 (1992) : 4520-4525.
http://dx.doi.org/10.1103/PhysRevD.46.4520
---------- MLA ----------
Loust, C.O., Snchez, N. "Curved-spacetime metric generated by Planckian energy string collisions" . Physical Review D, vol. 46, no. 10, 1992, pp. 4520-4525.
http://dx.doi.org/10.1103/PhysRevD.46.4520
---------- VANCOUVER ----------
Loust, C.O., Snchez, N. Curved-spacetime metric generated by Planckian energy string collisions. 1992;46(10):4520-4525.
http://dx.doi.org/10.1103/PhysRevD.46.4520