World-sheet instantons and the Peccei-Quinn symmetry

Details World-sheet instantons and the Peccei-Quinn symmetry World-sheet instantons and the Peccei-Quinn symmetry

Jan 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986phlb..166..397w&link_type=abstract

Physics Letters B, Volume 166, Issue 4, p. 397-401.

Physics

78

Scientific paper

It is shown that world-sheets violate the Peccie-Quinn symmetries
associated with some of the axions that arise in superstring
compactification. In the case of unbroken low-energy supersymmetry, the
Peccie-Quinn violating operators that arise are D terms of dimension
six. One remaining axion is unaffected.

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