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Interactions of type IIB D-branes from the D-instanton matrix model

1997/05/31 by Iouri Chepelev, I. Chepelev, A.A. Tseytlin +1 · 3 citations
Chemistry · Engineering · Physics and Astronomy · #Black Holes and Theoretical Physics #Brane cosmology #Chemistry #Cosmology and Gravitation Theories #Geology #Instanton #Mathematical physics #Matrix (chemical analysis) #Matrix model #Paleontology #Particle Accelerators and Free-Electron Lasers #Physics #Theoretical physics #Type (biology) #hep-th

paper · pdf · doi:10.1016/s0550-3213(97)00658-5

published as Nucl.Phys.B511:629-646,1998 · 17 pages, latex. misprints corrected, to appear in NPB

arxiv created 1997/10/07 · openalex publication_date 1998/02/01 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

We compute long-distance interaction potentials between certain 1/2 and 1/4 supersymmetric D-brane configurations of type IIB theory, demonstrating detailed agreement between classical supergravity and one-loop instanton matrix model results. This confirms the interpretation of D-branes as described by classical matrix model backgrounds as being `populated' by large number of D-instantons, i.e. as corresponding to non-marginal bound states of branes of lower dimensions. In the process, we establish precise relation between matrix model expressions and non-abelian F4 terms in the super Yang-Mills effective action.

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