A calculation of the bulk viscosity in SU(3) gluodynamics Export

@misc{citeulike:1825730, abstract = {We perform a lattice Monte-Carlo calculation of the trace-anomaly two-point function at finite temperature in the SU(3) gauge theory. We obtain the long-distance properties of the correlator in the continuum limit and extract the bulk viscosity zeta via a Kubo formula. Unlike the tensor correlator relevant to the shear viscosity, the scalar correlator depends strongly on temperature. If s is the entropy density, we find that zeta/s becomes rapidly small at high T, zeta/s\<0.15 at 1.65T\_c and zeta/s\<0.015 at 3.2T\_c. However zeta/s rises dramatically just above T\_c, with 0.5\<zeta/s\<2.0 at 1.02T\_c.}, archivePrefix = {arXiv}, author = {Meyer, Harvey B.}, citeulike-article-id = {1825730}, citeulike-linkout-0 = {http://arxiv.org/abs/0710.3717}, citeulike-linkout-1 = {http://arxiv.org/pdf/0710.3717}, day = {19}, eprint = {0710.3717}, keywords = {hydrodynamics, qcd, transport, viscosity}, month = {Oct}, posted-at = {2007-10-26 18:11:32}, priority = {4}, title = {A calculation of the bulk viscosity in SU(3) gluodynamics}, url = {http://arxiv.org/abs/0710.3717}, year = {2007} }

TY - ELEC ID - citeulike:1825730 L3 - citeulike-article-id:1825730 N2 - We perform a lattice Monte-Carlo calculation of the trace-anomaly two-point function at finite temperature in the SU(3) gauge theory. We obtain the long-distance properties of the correlator in the continuum limit and extract the bulk viscosity zeta via a Kubo formula. Unlike the tensor correlator relevant to the shear viscosity, the scalar correlator depends strongly on temperature. If s is the entropy density, we find that zeta/s becomes rapidly small at high T, zeta/s<0.15 at 1.65T_c and zeta/s<0.015 at 3.2T_c. However zeta/s rises dramatically just above T_c, with 0.5<zeta/s<2.0 at 1.02T_c. TI - A calculation of the bulk viscosity in SU(3) gluodynamics KW - hydrodynamics KW - qcd KW - transport KW - viscosity AU - Meyer, Harvey PY - 2007/Oct/19/ UR - http://arxiv.org/abs/0710.3717 ER -