A Closed String Tachyon Vacuum ?

  title={A Closed String Tachyon Vacuum ?},
  author={H. Y. Yang and Barton Zwiebach},
In bosonic closed string field theory the " tachyon potential " is a potential for the tachyon, the dilaton, and an infinite set of massive fields. Earlier computations of the potential did not include the dilaton and the critical point formed by the quadratic and cubic interactions was destroyed by the quartic tachyon term. We include the dilaton contributions to the potential and find that a critical point survives and appears to become more shallow. We are led to consider the existence of a… CONTINUE READING
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