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String non(anti)commutativity for Neveu-Schwarz boundary conditions

  • Chatterjee, Chandrasekhar
  • Gangopadhyay, Sunandan
  • Hazra, Arindam Ghosh
  • Samanta, Saurav
Published Article
Publication Date
Feb 09, 2009
Submission Date
Jan 27, 2008
DOI: 10.1007/s10773-008-9671-8
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The appearance of non(anti)commutativity in superstring theory, satisfying the Neveu-Schwarz boundary conditions is discussed in this paper. Both an open free superstring and also one moving in a background antisymmetric tensor field are analyzed to illustrate the point that string non(anti)commutativity is a consequence of the nontrivial boundary conditions. The method used here is quite different from several other approaches where boundary conditions were treated as constraints. An interesting observation of this study is that, one requires that the bosonic sector satisfies Dirichlet boundary conditions at one end and Neumann at the other in the case of the bosonic variables $X^{\mu}$ being antiperiodic. The non(anti)commutative structures derived in this paper also leads to the closure of the super constraint algebra which is essential for the internal consistency of our analysis.

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