Spherical D-brane by tachyon condensation

Tsuguhiko Asakawa, So Matsuura

研究成果: Article

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We find a novel tachyon condensation which provides a D-brane system with spherical worldvolume in the flat spacetime. The tachyon profile is a deformation of a known D0-brane solution on non-BPS D3-branes in type IIA superstring theory, which realizes a bound state of a spherical D2-brane and a D0-brane. The D0-brane is resolved into the sphere as a U(1) monopole flux of the unit magnetic charge. We show that the system has the correct tension and the RR-coupling. Although the low-energy effective action of the system is the same as that of the dual description of the fuzzy sphere solution of multiple D0-branes, our system cannot be equivalent to the fuzzy sphere. The use of projective modules in describing the tachyon condensation is emphasized.

元の言語English
記事番号006
ジャーナルProgress of Theoretical and Experimental Physics
2018
発行部数3
DOI
出版物ステータスPublished - 2018 3 1

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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