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Microscopic unitary...
Microscopic unitary description of tidal excitations in high-energy string-brane collisions
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D'Appollonio, Giuseppe (författare)
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- Di Vecchia, Paolo (författare)
- KTH,Stockholms universitet,Nordiska institutet för teoretisk fysik (Nordita),University of Copenhagen, Denmark,Nordic Institute for Theoretical Physics NORDITA
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Russo, Rodolfo (författare)
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Veneziano, Gabriele (författare)
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(creator_code:org_t)
- 2013
- 2013
- Engelska.
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Ingår i: Journal of High Energy Physics (JHEP). - 1126-6708 .- 1029-8479. ; :11, s. 126-
- Relaterad länk:
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https://doi.org/10.1...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- The eikonal operator was originally introduced to describe the effect A tidal excitations on higher-genus elastic string amplitudes at high energy. In this paper we provide a precise interpretation for this operator through the explicit tree-level calculation of generic inelastic transitions between closed strings as they scatter off a stack of parallel Dp-branes. We perform this analysis both in the light-cone gauge, using the Green-Schwarz vertex, and in the covariant formalism, using the Reggeon vertex operator. We also present a detailed discussion of the high-energy behaviour of the covariant string amplitudes, showing how to take into account the energy factors that enhance the contribution of the longitudinally polarized massive states in a simple way.
Ämnesord
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Nyckelord
- Superstrings and Helerotic Strings
- D-branes
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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