Prog. Theor. Phys. Vol. 77 No. 3 (1987) pp. 731-750

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Vertex operator in String Theory on Orbifold

— Intertwining Fields between Different Sectors in the Fock Space Representation —

Hirohumi Muratani

Institute of Physics, College of Arts and Sciences, University of Tokyo, Komaba, Tokyo 153

(Received November 8, 1986)

Abstract:

In the theory of the string on the orbifold different boundary conditions correspond to different Fock spaces (sectors). Using the method of Corrigan and Olive, we introduce a field operator intertwinign these sectors from the condition of duality. The vertex operator for the emission of a particle in a twisted sector is constructed in terms of the above intertwining field.

URL : http://ptp.ipap.jp/link?PTP/77/731/
DOI : 10.1143/PTP.77.731

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Citing Article(s) :

Progress of Theoretical Physics Vol. 80 No. 5 (1988) pp. 881-896 :
Zero Mode and Modular Invariance in String on Non-Abelian Orbifold

Kenzo Inoue, Shuji Nima and Hiroshi Takano