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@article{706384,
author = {Klusoň, Josef and Bianchi, Massimo},
article_location = {CERN},
article_number = {08},
keywords = {string theory- cft},
language = {eng},
issn = {1126-6708},
journal = {Journal of High Energy Physics},
title = {Current Algebra of the Pure Spinor Superstring in AdS(5) x S(5)},
volume = {2006},
year = {2006}
}
TY - JOUR
ID - 706384
AU - Klusoň, Josef - Bianchi, Massimo
PY - 2006
TI - Current Algebra of the Pure Spinor Superstring in AdS(5) x S(5)
JF - Journal of High Energy Physics
VL - 2006
IS - 08
SP - 030
EP - 030
SN - 11266708
KW - string theory- cft
N2 - We perform a Hamiltonian analysis of the classical type IIB superstring on AdS(5) x S(5) in the pure spinor approach. Taking the spatial components of the left-invariant (super)currents and the pure spinor ghosts as canonical variables, we compute the classical graded Poisson brackets of the currents and ghosts and identify the first class constraints associated to the local SO(4,1) x SO(5) symmetry and the pure spinor condition. We then study the properties of the BRST generators and the Hamiltonian along the constraints. For a natural choice of the the Lagrange multipliers, we show equivalence of the canonical equations of motion with the covariant ones. Finally we briefly discuss the (non) local currents, including the ghost contribution, that generate the global PSU(2,2|4) symmetry and its Yangian extension in the present framework.
ER -
KLUSOŇ, Josef a Massimo BIANCHI. Current Algebra of the Pure Spinor Superstring in AdS(5) x S(5). \textit{Journal of High Energy Physics}. CERN, 2006, roč.~2006, č.~08, s.~030-55. ISSN~1126-6708.
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