Otro
Transport properties and equation of state of quark-nuclear matter
Registro en:
Brazilian Journal of Physics. Sociedade Brasileira de Física, v. 33, n. 2, p. 311-315, 2003.
0103-9733
10.1590/S0103-97332003000200029
S0103-97332003000200029
S0103-97332003000200029.pdf
Autor
Graça, C.O. da
Krein, Gastão Inácio
Resumen
Transport equations for composite nucleons and deconfined quarks in quark-nuclear matter (QNM) are derived. QNM is a many-body system containing hadrons and deconfined quarks. The starting point is a microscopic quark-meson coupling (QMC) Hamiltonian with a density-dependent quark-quark interaction. An effective quark-hadron Hamiltonian containing canonical hadron and quark field operators is constructed using a mapping procedure. For high densities, the effective Hamiltonian contains interactions that lead to quark decon- finement. Transport equations of the Ueling-Ullenbeck-Vlasov type for quarks and nucleons are obtained using standard many-body techniques with the effective quark-hadron Hamiltonian. Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)