N - point amplitudes for d = 2 c = 1 Discrete States from String Field Theory

نویسندگان

  • P. B. Medvedev
  • A. P. Zubarev
چکیده

Starting from string field theory for 2d gravity coupled to c=1 matter we analyze N-point off-shell tree amplitudes of discrete states. The amplitudes exhibit the pole structure and we use the oscillator representation to extract the residues. The residues are generated by a simple effective action. We show that the effective action can be directly deduced from a string field action in a special transversal-like gauge.

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تاریخ انتشار 2008