2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/50378We calculate the background independent action for bosonic and supersymmetric open string field theory in a constant B-field. We also determine the tachyon effective action in the presence of constant B-field.11 pagesHigh Energy Physics - TheoryBackground Independent Open String Field Theory and Constant B-Fieldtext