Transport coefficients of a massive pion gas

Gomez Nicola

doi:10.1088/1674-1137/34/9/069

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2024年10月30日

Chinese Physics C> 2010, Vol. 34> Issue(9) : 1453-1455 DOI: 10.1088/1674-1137/34/9/069

Transport coefficients of a massive pion gas

Gomez Nicola

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Abstract：
We review our main results concerning the transport coefficients of a light meson gas, in particular we focus on the case of a massive pion gas. Leading order results according to the chiral power-counting are presented for the DC electrical conductivity, thermal conductivity, shear viscosity, and bulk viscosity. We also comment on the possible correlation between the bulk viscosity and the trace anomaly in QCD, as well as the relation between unitarity and a minimum of the quotient η/s near the phase transition.

References

[1]

. Son D T, Starinets A O. Ann. Rev. Nucl. Part. Sci., 2007,57: 952. Aarts G. Nucl. Phys. A, 2009, 820: 57C3. Fernandez-Fraile D, Gomez Nicola A. Eur. Phys. J. C, 2009,62: 374. Jeon S. Phys. Rev. D, 1995, 52: 35915. Jeon S, Ya e L G. Phys. Rev. D, 1996, 53: 57996. Arnold P, Moore G D, Yaffe L G. JHEP, 2000, 0011: 0017. Arnold P, Dogan C, Moore G D. Phys. Rev. D, 2006, 74:0850218. Fernandez-Fraile D, Gomez Nicola A. Phys. Rev. D, 2006,73: 0450259. Fernandez-Fraile D, Gomez Nicola A, Herruzo E T. Phys.Rev. D, 2007, 76: 08502010. Cabrera D, Fernandez-Fraile D, Gomez Nicola A. Eur.Phys. J. C, 2009, 61: 87911. Noronha-Hostler J, Noronha J, Greiner C. Phys. Rev. Lett.,2009, 103: 17230212. Fernandez-Fraile D, Gomez Nicola A. Phys. Rev. Lett.,2009, 102: 12160113. Chen J W, Wang J. Phys. Rev. C, 2009, 79: 04491314. Prakash M, Prakash M, Venugopalan R, Welke G. Phys.Rept., 1993, 227: 32115. Kharzeev D, Tuchin K. JHEP, 2008, 0809: 09316. Romatschke P, Son D T. Phys. Rev. D, 2009, 80: 06502117. Caron-Huot S. Phys. Rev. D, 2009, 79: 12500918. Fernandez-Fraile D, Gomez Nicola A. Phys. Rev. D, 2009,80: 056003

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Gomez Nicola. Transport coefficients of a massive pion gas[J]. Chinese Physics C, 2010, 34(9): 1453-1455. doi: 10.1088/1674-1137/34/9/069

Gomez Nicola. Transport coefficients of a massive pion gas[J]. Chinese Physics C, 2010, 34(9): 1453-1455. doi: 10.1088/1674-1137/34/9/069 shu

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Received: 2010-02-09
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Transport coefficients of a massive pion gas

Gomez Nicola

Received Date: 2010-02-09
Accepted Date: 1900-01-01
Available Online: 2010-09-05

Abstract:

We review our main results concerning the transport coefficients of a light meson gas, in particular we focus on the case of a massive pion gas. Leading order results according to the chiral power-counting are presented for the DC electrical conductivity, thermal conductivity, shear viscosity, and bulk viscosity. We also comment on the possible correlation between the bulk viscosity and the trace anomaly in QCD, as well as the relation between unitarity and a minimum of the quotient η/s near the phase transition.