### Abstract

The lower bound of the shear viscosity to entropy density ratio is examined using an exact representation of the ratio through the density of states. Under certain assumptions it can be shown that the lower bound of the ratio is not universal; its value is determined by the entropy density. Some examples of physical systems are discussed in the paper where one can expect violation of the conformal 1/4π value.

Original language | English |
---|---|

Article number | 045020 |

Journal | Physical Review D - Particles, Fields, Gravitation and Cosmology |

Volume | 81 |

Issue number | 4 |

DOIs | |

Publication status | Published - Feb 24 2010 |

### Fingerprint

### ASJC Scopus subject areas

- Nuclear and High Energy Physics

### Cite this

**Nonuniversal lower bound for the shear viscosity to entropy density ratio.** / Jakovác, A.

Research output: Contribution to journal › Article

}

TY - JOUR

T1 - Nonuniversal lower bound for the shear viscosity to entropy density ratio

AU - Jakovác, A.

PY - 2010/2/24

Y1 - 2010/2/24

N2 - The lower bound of the shear viscosity to entropy density ratio is examined using an exact representation of the ratio through the density of states. Under certain assumptions it can be shown that the lower bound of the ratio is not universal; its value is determined by the entropy density. Some examples of physical systems are discussed in the paper where one can expect violation of the conformal 1/4π value.

AB - The lower bound of the shear viscosity to entropy density ratio is examined using an exact representation of the ratio through the density of states. Under certain assumptions it can be shown that the lower bound of the ratio is not universal; its value is determined by the entropy density. Some examples of physical systems are discussed in the paper where one can expect violation of the conformal 1/4π value.

UR - http://www.scopus.com/inward/record.url?scp=77749316856&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=77749316856&partnerID=8YFLogxK

U2 - 10.1103/PhysRevD.81.045020

DO - 10.1103/PhysRevD.81.045020

M3 - Article

AN - SCOPUS:77749316856

VL - 81

JO - Physical review D: Particles and fields

JF - Physical review D: Particles and fields

SN - 1550-7998

IS - 4

M1 - 045020

ER -