Chern-Simons terms on noncommutative branes | Zendy

Sunil Mukhi | Zendy; Nemani V. Suryanarayana | Zendy

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Chern-Simons terms on noncommutative branes

Author(s) -

Sunil Mukhi,

Nemani V. Suryanarayana

Publication year - 2000

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2000/11/006

Subject(s) - noncommutative geometry , chern–simons theory , brane cosmology , noncommutative quantum field theory , tachyon , commutative property , mathematical physics , physics , noncommutative algebraic geometry , instanton , action (physics) , d brane , effective action , theoretical physics , quantum mechanics , mathematics , pure mathematics , gauge theory

We write down couplings of the fields on a single BPS Dp-brane withnoncommutative world-volume coordinates to the RR-forms in type II theories, ina manifestly background independent way. This generalises the usualChern-Simons action for a commutative Dp-brane. We show that the noncommutativeChern-Simons terms can be mapped to Myers terms on a collection of infinitelymany D-instantons. We also propose Chern-Simons couplings for unstable non-BPSbranes, and show that condensation of noncommutative tachyons on these branesleads to the correct Myers terms on the decay products.Comment: harvmac, 17 pages (b), 11 pages (l); v3: final version, to appear in JHE

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