Abstract
The effects of higher order corrections of ring diagrams for the quark condensate are studied by using the bare vertex nuclear Schwinger-Dyson formalism based on σ-ω model. The correction of the ring diagrams affects the quark condensate when the σ meson “σ term” is large.
- Received 26 August 1996
DOI:https://doi.org/10.1103/PhysRevC.55.1577
©1997 American Physical Society
