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  Holographic two-point functions for Janus interfaces in the D1/D5 CFT

Chiodarolia, M., Estes, J., & Korovins, J. (2017). Holographic two-point functions for Janus interfaces in the D1/D5 CFT. Journal of high energy physics: JHEP, 2017(04): 145. doi:10.1007/JHEP04(2017)145.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002C-7EBF-B Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002E-0EBF-7
Genre: Journal Article

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1612.08916.pdf (Preprint), 932KB
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 Creators:
Chiodarolia, Marco1, Author              
Estes, John, Author
Korovins, Jegor1, Author              
Affiliations:
1Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, escidoc:24014              

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Free keywords: High Energy Physics - Theory, hep-th
 Abstract: This paper investigates scalar perturbations in the top-down supersymmetric Janus solutions dual to conformal interfaces in the $D1/D5$ CFT, finding analytic closed-form solutions. We obtain an explicit representation of the bulk-to-bulk propagator and extract the two-point correlation function of the dual operator with itself, whose form is not fixed by symmetry alone. We give an expression involving the sum of conformal blocks associated with the bulk-defect operator product expansion and briefly discuss finite-temperature extensions. To our knowledge, this is the first two-point function computation for a fully-backreacted, top-down holographic defect.

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 Dates: 2016-12-282017
 Publication Status: Published in print
 Pages: 30 pages, PDFLaTex
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1612.08916
URI: http://arxiv.org/abs/1612.08916
DOI: 10.1007/JHEP04(2017)145
 Degree: -

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Title: Journal of high energy physics : JHEP
Source Genre: Journal
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Publ. Info: Bologna, Italy : Società italiana di fisica
Pages: - Volume / Issue: 2017 (04) Sequence Number: 145 Start / End Page: - Identifier: ISSN: 1126-6708
CoNE: http://pubman.mpdl.mpg.de/cone/journals/resource/111021927548002