TY  - JOUR
AU  - Fernández Fraile, Daniel
AU  - Gómez Nicola, Ángel
PY  - 2009
DO  - 10.1103/PhysRevLett.102.121601
SN  - 0031-9007
UR  - https://hdl.handle.net/20.500.14352/44580
T2  - Physical review letters
AB  - We calculate the bulk viscosity of the massive pion gas within unitarized chiral perturbation theory. We obtain a low-temperature peak arising from explicit conformal breaking due to the pion mass and another peak near the critical temperature,...
LA  - eng
PB  - American Physical Society
KW  - Chiral perturbation-theory
KW  - Heavy-ion collisions
KW  - Transport-coefficients
KW  - Field-theory
KW  - Phase-transition
KW  - Qcd
KW  - Temperature
KW  - Matter
KW  - Quark
KW  - Trace
TI  - Bulk viscosity and the conformal anomaly in the pion gas
TY  - journal article
VL  - 102
ER  -