Abstract
We consider superstrings moving in the AdS 5 × S 5 space-time and find their Green-Schwarz action using the supercoset approach based on the supergroup PSU(2, 2|4). We describe several parametrizations of the relevant supercoset and present the action in different κ-symmetry gauges. In particular, we discuss a gauge where all the fermionic coordinates corresponding to the conformal (S) supercharges are gauged away and also a light-cone type gauge where half of the Q and S supercoordinates are gauged away. The resulting action contains terms that are quadratic and quartic in fermions. In the flat-space limit, it reduces to the standard light-cone Green-Schwarz action. We comment on the possibility of fixing the bosonic light-cone gauge and of reformulating the action in terms of two-dimensional Dirac spinors.
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From Zhurnal Éksperimental’no\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) i Teoretichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) Fiziki, Vol. 118, No. 6, 2000, pp. 1272–1290.
Original English Text Copyright © 2000 by Metsaev, Tseytlin.
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Metsaev, R.R., Tseytlin, A.A. Type IIB Green-Schwarz superstrings in AdS 5 × S 5 from the supercoset approach. J. Exp. Theor. Phys. 91, 1098–1114 (2000). https://doi.org/10.1134/1.1342877
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DOI: https://doi.org/10.1134/1.1342877