Andersen, Jens O. ; Leganger, Lars E. ; Strickland, Michael ; Su, NanUniBi
In this brief report we compare the predictions of a recentnext-to-next-to-leading order hard-thermal-loop perturbation theory (HTLpt)calculation of the QCD trace anomaly to available lattice data. We focus on thetrace anomaly scaled by T^2 in two cases: Nf = 0 and Nf = 3. We find that forYang-Mills theory (Nf = 0) agreement between HTLpt and lattice data for theT^2-scaled trace anomaly begins at temperatures above 8 Tc while when includingquarks (Nf = 3) agreement begins already at temperatures above 2 Tc . In bothcases we find that at very high temperatures the T^2-scaled trace anomalyincreases with temperature in accordance with the predictions of HTLpt.
Andersen JO, Leganger LE, Strickland M, Su N. The QCD trace anomaly. Physical Review D. 2011;84(8):087703.
Andersen, J. O., Leganger, L. E., Strickland, M., & Su, N. (2011). The QCD trace anomaly. Physical Review D, 84(8), 087703. doi:10.1103/physrevd.84.087703
Andersen, J. O., Leganger, L. E., Strickland, M., and Su, N. (2011). The QCD trace anomaly. Physical Review D 84, 087703.
Andersen, J.O., et al., 2011. The QCD trace anomaly. Physical Review D, 84(8), p 087703.
J.O. Andersen, et al., “The QCD trace anomaly”, Physical Review D, vol. 84, 2011, pp. 087703.
Andersen, J.O., Leganger, L.E., Strickland, M., Su, N.: The QCD trace anomaly. Physical Review D. 84, 087703 (2011).
Andersen, Jens O., Leganger, Lars E., Strickland, Michael, and Su, Nan. “The QCD trace anomaly”. Physical Review D 84.8 (2011): 087703.
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