Equation of State for physical quark masses

Cheng M, Ejiri S, Hegde P, Karsch F, Kaczmarek O, Laermann E, Mawhinney RD, Miao C, Mukherjee S, Petreczky P, Schmidt C, et al. (2010)
Phys. Rev. D 81(5): 054504.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Abstract / Bemerkung
We calculate the QCD equation of state for temperatures corresponding to the transition region with physical mass values for two degenerate light quark flavors and a strange quark using an improved staggered fermion action (p4-action) on lattices with temporal extent N_tau=8. We compare our results with previous calculations performed at twice larger values of the light quark masses as well as with results obtained from a resonance gas model calculation. We also discuss the deconfining and chiral aspects of the QCD transition in terms of renormalized Polyakov loop, strangeness fluctuations and subtracted chiral condensate. We show that compared to the calculations performed at twice larger value of the light quark mass the transition region shifts by about 5 MeV toward smaller temperatures
Stichworte
quark: mass; numerical calculations: Monte Carlo; Lattice; Polyakov loop: renormalization; quark: flavor; quantum chromodynamics: equation of state; resonance: gas; strangeness: fluctuation; trace anomaly; thermodynamics; 11.10.Wx; deconfinement; finite temperature; fermion: staggered; energy: density; 12.38.Mh; condensation: chiral; 11.15.Ha
Erscheinungsjahr
2010
Zeitschriftentitel
Phys. Rev. D
Band
81
Ausgabe
5
Art.-Nr.
054504
ISSN
1550-7998
eISSN
1550-2368
Page URI
https://pub.uni-bielefeld.de/record/1968447

Zitieren

Cheng M, Ejiri S, Hegde P, et al. Equation of State for physical quark masses. Phys. Rev. D. 2010;81(5): 054504.
Cheng, M., Ejiri, S., Hegde, P., Karsch, F., Kaczmarek, O., Laermann, E., Mawhinney, R. D., et al. (2010). Equation of State for physical quark masses. Phys. Rev. D, 81(5), 054504. doi:10.1103/PhysRevD.81.054504
Cheng, M., Ejiri, S., Hegde, P., Karsch, F., Kaczmarek, O., Laermann, E., Mawhinney, R. D., Miao, C., Mukherjee, S., Petreczky, P., et al. (2010). Equation of State for physical quark masses. Phys. Rev. D 81:054504.
Cheng, M., et al., 2010. Equation of State for physical quark masses. Phys. Rev. D, 81(5): 054504.
M. Cheng, et al., “Equation of State for physical quark masses”, Phys. Rev. D, vol. 81, 2010, : 054504.
Cheng, M., Ejiri, S., Hegde, P., Karsch, F., Kaczmarek, O., Laermann, E., Mawhinney, R.D., Miao, C., Mukherjee, S., Petreczky, P., Schmidt, C., Soeldner, W.: Equation of State for physical quark masses. Phys. Rev. D. 81, : 054504 (2010).
Cheng, M., Ejiri, S., Hegde, P., Karsch, Frithjof, Kaczmarek, Olaf, Laermann, Edwin, Mawhinney, R. D, Miao, C., Mukherjee, S., Petreczky, P., Schmidt, Christian, and Soeldner, W. “Equation of State for physical quark masses”. Phys. Rev. D 81.5 (2010): 054504.

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