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Cited by 510

The DOI matches its Crossref record; 9 of the 9 references it cites were found in a registry or an index.

Viscosity Bound and Causality Violation

Open access
Brigante, Mauro, Liu, Hong, Myers, Robert C., Shenker, Stephen, Yaida, Sho·2008·Physical Review Letters
DOI 10.1103/physrevlett.100.191601
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Abstract

In recent work we showed that, for a class of conformal field theories (CFT) with Gauss-Bonnet gravity dual, the shear viscosity to entropy density ratio, eta/s, could violate the conjectured Kovtun-Starinets-Son viscosity bound, eta/s > or = 1/4 pi. In this Letter we argue, in the context of the same model, that tuning eta/s below (16/25)(1/4 pi) induces microcausality violation in the CFT, rendering the theory inconsistent. This is a concrete example in which inconsistency of a theory and a lower bound on viscosity are correlated, supporting the idea of a possible universal lower bound on eta/s for all consistent theories.

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Metadata

Authors
Brigante, M., Liu, H., Myers, R. C., Shenker, S., & Yaida, S.
Venue
Physical Review Letters
Publisher
American Physical Society (APS)
Published
2008-05-15
Volume
100
Issue
19
Pages
191601-191601
ISSN
  • 0031-9007 (ISSN-L)
  • 1079-7114
DOI
10.1103/physrevlett.100.191601
OpenAlex
W2123621088
Cited by
510
References
9
FWCI
24.93
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Viscosity Bound and Causality Violation. https://app.cochat.ai/papers/10.1103/physrevlett.100.191601
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Brigante, M., Liu, H., Myers, R. C., Shenker, S., & Yaida, S. (2008). Viscosity Bound and Causality Violation. Physical Review Letters. https://doi.org/10.1103/physrevlett.100.191601

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