Quantum Oscillations and Black Hole Ringing

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Quantum Oscillations and Black Hole Ringing

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Title: Quantum Oscillations and Black Hole Ringing
Author: Denef, Frederik; Hartnoll, Sean; Sachdev, Subir

Note: Order does not necessarily reflect citation order of authors.

Citation: Denef, Frederik, Sean A. Hartnoll, and Subir Sachdev. 2009. Quantum oscillations and black hole ringing. Physical Review D 80(12): 126016.
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Abstract: We show that strongly coupled field theories with holographic gravity duals at finite charge density and low temperatures can undergo de Haas–van Alphen quantum oscillations as a function of an external magnetic field. Exhibiting this effect requires computation of the one-loop contribution of charged bulk fermions to the free energy. The one-loop calculation is performed using a formula expressing determinants in black hole backgrounds as sums over quasinormal modes. At zero temperature, the periodic nonanalyticities in the magnetic susceptibility as a function of the inverse magnetic field depend on the low energy scaling behavior of fermionic operators in the field theory, and are found to be softer than in weakly coupled theories. We also obtain numerical and WKB results for the quasinormal modes of charged bosons in dyonic black hole backgrounds, finding evidence for nontrivial periodic behavior as a function of the magnetic field.
Published Version: doi: 10.1103/PhysRevD.80.126016
Other Sources: http://arxiv.org/abs/0908.1788
Terms of Use: This article is made available under the terms and conditions applicable to Open Access Policy Articles, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#OAP
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:4554330

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  • FAS Scholarly Articles [7374]
    Peer reviewed scholarly articles from the Faculty of Arts and Sciences of Harvard University
 
 

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