String field theory solution corresponding to constant background magnetic field

Abstract

Following the method recently proposed by Erler and Maccaferri, we construct solutions to the equation of motion of Witten's cubic string field theory, which describe constant magnetic field background. We study the boundary condition changing operators relevant to such background and calculate the operator product expansions of them. We obtain solutions whose classical action coincide with the Born-Infeld action.

1+22 pages, 1 figure; v2: a reference added, minor corrections

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Cited by in corpus (2)

• Higgs Mechanism in Nonlocal Field Theories
• Vector profile and gauge invariant observables of string field theory solutions for constant magnetic field background