A Note on string interaction on the pp wave background

Chu, Chong-Sun; Khoze, Valentin V.; Petrini, Michela; Russo, Rodolfo; Tanzini, Alessandro

doi:10.1088/0264-9381/21/8/006

A Note on string interaction on the pp wave background

Chong-Sun Chu
(
- Taiwan, Natl. Tsing Hua U. and
- Durham U., IPPP and
- Ecole Polytechnique and
- Ecole Normale Superieure and
- Paris, LPTHE and
- Paris U., VI-VII and
- INFN, Rome
)
,
Valentin V. Khoze
(
- Taiwan, Natl. Tsing Hua U. and
- Durham U., IPPP and
- Ecole Polytechnique and
- Ecole Normale Superieure and
- Paris, LPTHE and
- Paris U., VI-VII and
- INFN, Rome
)
,
Michela Petrini
(
- Taiwan, Natl. Tsing Hua U. and
- Durham U., IPPP and
- Ecole Polytechnique and
- Ecole Normale Superieure and
- Paris, LPTHE and
- Paris U., VI-VII and
- INFN, Rome
)
,
Rodolfo Russo
(
- Taiwan, Natl. Tsing Hua U. and
- Durham U., IPPP and
- Ecole Polytechnique and
- Ecole Normale Superieure and
- Paris, LPTHE and
- Paris U., VI-VII and
- INFN, Rome
)
,
Alessandro Tanzini
(
- Taiwan, Natl. Tsing Hua U. and
- Durham U., IPPP and
- Ecole Polytechnique and
- Ecole Normale Superieure and
- Paris, LPTHE and
- Paris U., VI-VII and
- INFN, Rome
)

Aug, 2002

13 pages

Published in:

Class.Quant.Grav. 21 (2004) 1999-2009

e-Print:

hep-th/0208148 [hep-th]

DOI:

10.1088/0264-9381/21/8/006

Report number:

LPTENS-02-41,
PAR-LPTHE-08-03

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Abstract:

We consider type IIB string interaction on the maximally supersymmetric pp-wave background and discuss how the bosonic symmetries of the background are realized. This analysis shows that there are some interesting differences with respect to the flat-space case and suggests modifications to the existing form of the string vertex. We focus on the zero-mode part which is responsible for some puzzling string predictions about the N=4 SYM side. We show that these puzzles disappear when a symmetry preserving string interaction is used.

string model
supersymmetry
string: interaction
pp-wave: background field
symmetry: Z(2)
vacuum state
zero mode

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