D-branes and Closed String Field Theory
Nobuyuki Ishibashi, Yutaka Baba, Koichi Murakami
TL;DR
This paper constructs solitonic states in OSp invariant string field theory that represent D-branes and ghost D-branes, demonstrating their validity through scattering amplitude calculations.
Contribution
It introduces a method to explicitly construct D-brane states within a covariant string field theory framework, advancing the understanding of non-perturbative objects.
Findings
Solitonic states are BRST invariant at leading order.
Scattering amplitudes confirm these states describe D-branes and ghost D-branes.
Abstract
We construct solitonic states in the OSp invariant string field theory, which are BRST invariant in the leading order of regularization parameter. One can show that these solitonic states describe D-branes and ghost D-branes, by calculating the scattering amplitudes.
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Taxonomy
TopicsBlack Holes and Theoretical Physics · Quantum Chromodynamics and Particle Interactions · Particle physics theoretical and experimental studies