The leading non-perturbative coefficient in the weak-coupling expansion of hot QCD pressure

被引：0
作者：
Di Renzo, F.
Laine, M.
Miccio, V.
Schroder, Y.
Torrero, C.
机构：
[1] Univ Parma, Dipartimento Fis, I-43100 Parma, Italy
[2] Ist Nazl Fis Nucl, Gruppo Collegato Parma, Parma, Italy
[3] Univ Bielefeld, Fac Phys, D-33501 Bielefeld, Germany
[4] Ist Nazl Fis Nucl, Sez Milano, Milan, Italy
来源：
JOURNAL OF HIGH ENERGY PHYSICS | 2006年 / 07期
关键词：
thermal field theory; lattice gauge field theories; nonperturbative effects; NLO computations;
D O I：
暂无
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
Using Numerical Stochastic Perturbation Theory within three-dimensional pure SU(3) gauge theory, we estimate the last unknown renormalization constant that is needed for converting the vacuum energy density of this model from lattice regularization to the MS scheme. Making use of a previous non-perturbative lattice measurement of the plaquette expectation value in three dimensions, this allows us to approximate the first non-perturbative coefficient that appears in the weak-coupling expansion of hot QCD pressure.
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页数：18
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