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The off-shell Koba-Nielsen formula

1989; Elsevier BV; Volume: 323; Issue: 2 Linguagem: Inglês

10.1016/0550-3213(89)90146-6

1873-1562

Robert Bluhm, Stuart Samuel,

Physics of Superconductivity and Magnetism

Starting with the Witten covariant string field theory and using conformal field-theoretic methods, the tree-level off-shell N-point tachyon amplitude in the open bosonic string is obtained. It is shown to agree on-shell with the Koba-Nielsen formula.