The DOI matches its Crossref record; 48 of the 48 references it cites were found in a registry or an index.
Viscosity bound violation in higher derivative gravity
Open accessAbstract
Motivated by the vast string landscape, we consider the shear viscosity to entropy density ratio in conformal field theories dual to Einstein gravity with curvature square corrections. After field redefinitions these theories reduce to Gauss-Bonnet gravity, which has special properties that allow us to compute the shear viscosity nonperturbatively in the Gauss-Bonnet coupling. By tuning of the coupling, the value of the shear viscosity to entropy density ratio can be adjusted to any positive value from infinity down to zero, thus violating the conjectured viscosity bound. At linear order in the coupling, we also check consistency of four different methods to calculate the shear viscosity, and we find that all of them agree. We search for possible pathologies associated with this class of theories violating the viscosity bound.
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Cites
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Maldacena, J., Shenker, S. H., & Stanford, D. (2016) · Journal of High Energy Physics · doi:10.1007/jhep08(2016)106 · Cited by 2,313
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Lectures on holographic methods for condensed matter physics
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Gauge/String Duality, Hot QCD and Heavy Ion Collisions
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Metadata
- Authors
- Brigante, M., Liu, H., Myers, R. C., Shenker, S., & Yaida, S.
- Venue
- Physical Review D
- Publisher
- American Physical Society (APS)
- Published
- 2008-06-11
- Volume
- 77
- Issue
- 12
- ISSN
- 0556-2821 (ISSN-L)
- 1550-7998
- 1550-2368
- OpenAlex
- W2114921162
- Cited by
- 565
- References
- 48
- FWCI
- 25.84
- Type
- journal article
- Language
- en
- Open access
- green
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- Brigante, M., Liu, H., Myers, R. C., Shenker, S., & Yaida, S. (2008). Viscosity bound violation in higher derivative gravity. Physical Review D. https://doi.org/10.1103/physrevd.77.126006
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