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Classical and quantum temperature fluctuations via holography
KTH, Centres, Nordic Institute for Theoretical Physics NORDITA.
KTH, Centres, Nordic Institute for Theoretical Physics NORDITA.
KTH, Centres, Nordic Institute for Theoretical Physics NORDITA.
KTH, Centres, Nordic Institute for Theoretical Physics NORDITA.ORCID iD: 0000-0001-8789-8703
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2015 (English)In: Journal of High Energy Physics (JHEP), ISSN 1126-6708, E-ISSN 1029-8479, no 1, 011Article in journal (Refereed) Published
Abstract [en]

We study local temperature fluctuations in a 2+1 dimensional CFT on the sphere, dual to a black hole in asymptotically AdS spacetime. The fluctuation spectrum is governed by the lowest-lying hydrodynamic modes of the system whose frequency and damping rate determine whether temperature fluctuations are thermal or quantum. We calculate numerically the corresponding quasinormal frequencies and match the result with the hydrodynamics of the dual CFT at high temperature. As a by-product of our analysis we determine the appropriate boundary conditions for calculating low-lying quasinormal modes for a four-dimensional Reissner-Nordstrom black hole in global AdS.

Place, publisher, year, edition, pages
2015. no 1, 011
Keyword [en]
AdS-CFT Correspondence, Holography and condensed matter physics (AdS/CMT), Black Holes
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-162972DOI: 10.1007/JHEP01(2015)011ISI: 000347687700005Scopus ID: 2-s2.0-84921334065OAI: oai:DiVA.org:kth-162972DiVA: diva2:799734
Funder
Swedish Research CouncilEU, FP7, Seventh Framework Programme
Note

QC 20150331

Available from: 2015-03-31 Created: 2015-03-26 Last updated: 2017-12-04Bibliographically approved

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Krikun, Alexander

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