Nuclear matter with a Bose condensate of dibaryons in relativistic Hartree approximation
Amand Faessler, A. J. Buchmann, M. I. Krivoruchenko
Abstract
The Green's functions are constructed and a one-loop calculation is given for the scalar and vector densities and for the equation of state of nuclear matter with a Bose condensate of dibaryons. This is the lowest approximation in the loop expansion of quantum hadrodynamics, sufficient to account for the presence of dibaryons not in the condensate in the heterophase nucleon-dibaryon matter. It leads to a finite effective nucleon mass and remains consistent with increasing the density.
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