Non-extremal D-instantons and the AdS/CFT correspondence | Zendy

Eric Bergshoeff | Zendy; Andrés Collinucci | Zendy; André Ploegh | Zendy; Thomas Van Riet | Zendy; Stefan Vandoren | Zendy

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Non-extremal D-instantons and the AdS/CFT correspondence

Author(s) -

Eric Bergshoeff,

Andrés Collinucci,

André Ploegh,

Thomas Van Riet,

Stefan Vandoren

Publication year - 2006

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 - 10.1088/1126-6708/2006/01/061

Subject(s) - instanton , gravitational singularity , physics , euclidean geometry , duality (order theory) , mathematical physics , wormhole , holography , theoretical physics , mathematics , pure mathematics , quantum mechanics , geometry

We investigate non-extremal D-instantons in an asymptotically $ AdS_5 \timesS^5$ background and the role they play in the $ AdS_5 / CFT_4$ correspondence.We find that the holographic dual operators of non-extremal D-instantonconfigurations do not correspond to self-dual Yang-Mills instantons, and wecompute explicitly the deviation from self-duality. Furthermore, a class ofnon-extremal D-instantons yield Euclidean axionic wormhole solutions with twoasymptotic boundaries. After Wick rotating, this provides a playground forinvestigating holography in the presence of cosmological singularities in aclosed universe.Comment: 30 pages, 3 figure

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