On decoupling of massless modes in NCOS theoriesS. Hyun1, S. Lee2, 3 and H. Shin2, 3
1 Institute of Physics and Applied Physics, Yonsei University, Seoul 120-749, Korea
2 BK 21 Physics Research Division and Institute of Basic Science, Sungkyunkwan University, Suwon 440-746, Korea
3 School of Physics, Korea Institute for Advanced Study, Seoul 130-012, Korea
(Received: 23 April 2002 / Published online: 25 October 2002 )
We revisit the decoupling phenomenon of massless modes in non-commutative open string (NCOS) theories. We check the decoupling by explicit computation in (2+1) or higher dimensional NCOS theories and recapitulate the validity of the decoupling to all orders in perturbation theory.
© Società Italiana di Fisica, Springer-Verlag 2002