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1997•Physical Review LettersOpen access

Ramond-Ramond Central Charges in the Supersymmetry Algebra of the Superstring

Nathan Berkovits

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Abstract

The free action for the massless sector of the type II superstring was recently constructed using closed Ramond-Neveo-Schwarz superstring field theory. The supersymmetry transformations of this action are shown to satisfy an $N\phantom{\rule{0ex}{0ex}}=\phantom{\rule{0ex}{0ex}}2$ $D\phantom{\rule{0ex}{0ex}}=\phantom{\rule{0ex}{0ex}}10$ supersymmetry algebra with Ramond-Ramond central charges.

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The free action for the massless sector of the type II superstring was recently constructed using closed Ramond-Neveo-Schwarz superstring field theory. The supersymmetry transformations of this action are shown to satisfy an $N\phantom{\rule{0ex}{0ex}}=\phantom{\rule{0ex}{0ex}}2$ $D\phantom{\rule{0ex}{0ex}}=\phantom{\rule{0ex}{0ex}}10$ supersymmetry algebra with Ramond-Ramond central charges.

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Available abstract

The free action for the massless sector of the type II superstring was recently constructed using closed Ramond-Neveo-Schwarz superstring field theory. The supersymmetry transformations of this action are shown to satisfy an $N\phantom{\rule{0ex}{0ex}}=\phantom{\rule{0ex}{0ex}}2$ $D\phantom{\rule{0ex}{0ex}}=\phantom{\rule{0ex}{0ex}}10$ supersymmetry algebra with Ramond-Ramond central charges.

Key concepts: Superstring theory, Supersymmetry, Physics, Supersymmetry algebra, Particle physics, Green–Schwarz mechanism, N = 2 superconformal algebra, Superconformal algebra

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