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Nonequilibrium quasi-classical effective meson gas

✍ Scribed by R.F. Álvarez-Estrada

Book ID
103866480
Publisher
Elsevier Science
Year
2009
Tongue
English
Weight
178 KB
Volume
820
Category
Article
ISSN
0375-9474

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✦ Synopsis

We treat a gas of interacting relativistic effective mesons ( similar to those produced in a heavyion collision), regarded as a nonequilibrium statistical system. The large number of degrees of freedom gives rise to statistical features. We suppose large occupation numbers, temperature somewhat below typical critical temperatures and the quasi-classical regime. At the initial time t0, the gas is off-equilibrium. We analyze the time evolution of the quasi-classical effective meson gas for t > t0 by using a new moment method. Long-time approximations, which could yield the approach to global thermal equilibrium, are presented.

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